src/chrome/common/extensions/extension_messages.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // IPC messages for extensions.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/shared_memory.h"
  12 #include "base/values.h"
  13 #include "chrome/common/extensions/api/messaging/message.h"
  14 #include "chrome/common/extensions/extension.h"
  15 #include "chrome/common/extensions/permissions/bluetooth_permission_data.h"
  16 #include "chrome/common/extensions/permissions/media_galleries_permission_data.h"
  17 #include "chrome/common/extensions/permissions/socket_permission_data.h"
  18 #include "chrome/common/extensions/permissions/usb_device_permission_data.h"
  19 #include "chrome/common/web_application_info.h"
  20 #include "content/public/common/common_param_traits.h"
  21 #include "content/public/common/socket_permission_request.h"
  22 #include "extensions/common/draggable_region.h"
  23 #include "extensions/common/extensions_client.h"
  24 #include "extensions/common/permissions/permission_set.h"
  25 #include "extensions/common/url_pattern.h"
  26 #include "extensions/common/url_pattern_set.h"
  27 #include "extensions/common/view_type.h"
  28 #include "ipc/ipc_message_macros.h"
  29 #include "url/gurl.h"
  30
  31 #define IPC_MESSAGE_START ExtensionMsgStart
  32
  33 IPC_ENUM_TRAITS(extensions::ViewType)
  34
  35 // Parameters structure for ExtensionHostMsg_AddAPIActionToActivityLog and
  36 // ExtensionHostMsg_AddEventToActivityLog.
  37 IPC_STRUCT_BEGIN(ExtensionHostMsg_APIActionOrEvent_Params)
  38   // API name.
  39   IPC_STRUCT_MEMBER(std::string, api_call)
  40
  41   // List of arguments.
  42   IPC_STRUCT_MEMBER(base::ListValue, arguments)
  43
  44   // Extra logging information.
  45   IPC_STRUCT_MEMBER(std::string, extra)
  46 IPC_STRUCT_END()
  47
  48 // Parameters structure for ExtensionHostMsg_AddDOMActionToActivityLog.
  49 IPC_STRUCT_BEGIN(ExtensionHostMsg_DOMAction_Params)
  50   // URL of the page.
  51   IPC_STRUCT_MEMBER(GURL, url)
  52
  53   // Title of the page.
  54   IPC_STRUCT_MEMBER(string16, url_title)
  55
  56   // API name.
  57   IPC_STRUCT_MEMBER(std::string, api_call)
  58
  59   // List of arguments.
  60   IPC_STRUCT_MEMBER(base::ListValue, arguments)
  61
  62   // Type of DOM API call.
  63   IPC_STRUCT_MEMBER(int, call_type)
  64 IPC_STRUCT_END()
  65
  66 // Parameters structure for ExtensionHostMsg_Request.
  67 IPC_STRUCT_BEGIN(ExtensionHostMsg_Request_Params)
  68   // Message name.
  69   IPC_STRUCT_MEMBER(std::string, name)
  70
  71   // List of message arguments.
  72   IPC_STRUCT_MEMBER(base::ListValue, arguments)
  73
  74   // Extension ID this request was sent from. This can be empty, in the case
  75   // where we expose APIs to normal web pages using the extension function
  76   // system.
  77   IPC_STRUCT_MEMBER(std::string, extension_id)
  78
  79   // URL of the frame the request was sent from. This isn't necessarily an
  80   // extension url. Extension requests can also originate from content scripts,
  81   // in which case extension_id will indicate the ID of the associated
  82   // extension. Or, they can originate from hosted apps or normal web pages.
  83   IPC_STRUCT_MEMBER(GURL, source_url)
  84
  85   // Unique request id to match requests and responses.
  86   IPC_STRUCT_MEMBER(int, request_id)
  87
  88   // True if request has a callback specified.
  89   IPC_STRUCT_MEMBER(bool, has_callback)
  90
  91   // True if request is executed in response to an explicit user gesture.
  92   IPC_STRUCT_MEMBER(bool, user_gesture)
  93 IPC_STRUCT_END()
  94
  95 // Allows an extension to execute code in a tab.
  96 IPC_STRUCT_BEGIN(ExtensionMsg_ExecuteCode_Params)
  97   // The extension API request id, for responding.
  98   IPC_STRUCT_MEMBER(int, request_id)
  99
 100   // The ID of the requesting extension. To know which isolated world to
 101   // execute the code inside of.
 102   IPC_STRUCT_MEMBER(std::string, extension_id)
 103
 104   // Whether the code is JavaScript or CSS.
 105   IPC_STRUCT_MEMBER(bool, is_javascript)
 106
 107   // String of code to execute.
 108   IPC_STRUCT_MEMBER(std::string, code)
 109
 110   // Whether to inject into all frames, or only the root frame.
 111   IPC_STRUCT_MEMBER(bool, all_frames)
 112
 113   // When to inject the code.
 114   IPC_STRUCT_MEMBER(int, run_at)
 115
 116   // Whether to execute code in the main world (as opposed to an isolated
 117   // world).
 118   IPC_STRUCT_MEMBER(bool, in_main_world)
 119
 120   // Whether the request is coming from a <webview>.
 121   IPC_STRUCT_MEMBER(bool, is_web_view)
 122
 123   // Whether the caller is interested in the result value. Manifest-declared
 124   // content scripts and executeScript() calls without a response callback
 125   // are examples of when this will be false.
 126   IPC_STRUCT_MEMBER(bool, wants_result)
 127
 128   // The URL of the file that was injected, if any.
 129   IPC_STRUCT_MEMBER(GURL, file_url)
 130 IPC_STRUCT_END()
 131
 132 // Struct containing the data for external connections to extensions. Used to
 133 // handle the IPCs initiated by both connect() and onConnect().
 134 IPC_STRUCT_BEGIN(ExtensionMsg_ExternalConnectionInfo)
 135   // The ID of the extension that is the target of the request.
 136   IPC_STRUCT_MEMBER(std::string, target_id)
 137
 138   // The ID of the extension that initiated the request. May be empty if it
 139   // wasn't initiated by an extension.
 140   IPC_STRUCT_MEMBER(std::string, source_id)
 141
 142   // The URL of the frame that initiated the request.
 143   IPC_STRUCT_MEMBER(GURL, source_url)
 144 IPC_STRUCT_END()
 145
 146 IPC_STRUCT_TRAITS_BEGIN(WebApplicationInfo::IconInfo)
 147   IPC_STRUCT_TRAITS_MEMBER(url)
 148   IPC_STRUCT_TRAITS_MEMBER(width)
 149   IPC_STRUCT_TRAITS_MEMBER(height)
 150   IPC_STRUCT_TRAITS_MEMBER(data)
 151 IPC_STRUCT_TRAITS_END()
 152
 153 IPC_STRUCT_TRAITS_BEGIN(WebApplicationInfo)
 154   IPC_STRUCT_TRAITS_MEMBER(title)
 155   IPC_STRUCT_TRAITS_MEMBER(description)
 156   IPC_STRUCT_TRAITS_MEMBER(app_url)
 157   IPC_STRUCT_TRAITS_MEMBER(icons)
 158   IPC_STRUCT_TRAITS_MEMBER(permissions)
 159   IPC_STRUCT_TRAITS_MEMBER(launch_container)
 160   IPC_STRUCT_TRAITS_MEMBER(is_offline_enabled)
 161 IPC_STRUCT_TRAITS_END()
 162
 163 IPC_STRUCT_TRAITS_BEGIN(extensions::DraggableRegion)
 164   IPC_STRUCT_TRAITS_MEMBER(draggable)
 165   IPC_STRUCT_TRAITS_MEMBER(bounds)
 166 IPC_STRUCT_TRAITS_END()
 167
 168 IPC_ENUM_TRAITS(content::SocketPermissionRequest::OperationType)
 169
 170 IPC_STRUCT_TRAITS_BEGIN(content::SocketPermissionRequest)
 171   IPC_STRUCT_TRAITS_MEMBER(type)
 172   IPC_STRUCT_TRAITS_MEMBER(host)
 173   IPC_STRUCT_TRAITS_MEMBER(port)
 174 IPC_STRUCT_TRAITS_END()
 175
 176 IPC_STRUCT_TRAITS_BEGIN(extensions::SocketPermissionEntry)
 177   IPC_STRUCT_TRAITS_MEMBER(pattern_)
 178   IPC_STRUCT_TRAITS_MEMBER(match_subdomains_)
 179 IPC_STRUCT_TRAITS_END()
 180
 181 IPC_STRUCT_TRAITS_BEGIN(extensions::SocketPermissionData)
 182   IPC_STRUCT_TRAITS_MEMBER(entry())
 183 IPC_STRUCT_TRAITS_END()
 184
 185 IPC_STRUCT_TRAITS_BEGIN(extensions::UsbDevicePermissionData)
 186   IPC_STRUCT_TRAITS_MEMBER(vendor_id())
 187   IPC_STRUCT_TRAITS_MEMBER(product_id())
 188 IPC_STRUCT_TRAITS_END()
 189
 190 IPC_STRUCT_TRAITS_BEGIN(extensions::MediaGalleriesPermissionData)
 191   IPC_STRUCT_TRAITS_MEMBER(permission())
 192 IPC_STRUCT_TRAITS_END()
 193
 194 IPC_STRUCT_TRAITS_BEGIN(extensions::BluetoothPermissionData)
 195   IPC_STRUCT_TRAITS_MEMBER(uuid())
 196 IPC_STRUCT_TRAITS_END()
 197
 198 IPC_STRUCT_TRAITS_BEGIN(extensions::Message)
 199   IPC_STRUCT_TRAITS_MEMBER(data)
 200   IPC_STRUCT_TRAITS_MEMBER(user_gesture)
 201 IPC_STRUCT_TRAITS_END()
 202
 203 // Singly-included section for custom IPC traits.
 204 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGES_H_
 205 #define CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGES_H_
 206
 207 // IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
 208 // to typedef it to avoid that.
 209 // Substitution map for l10n messages.
 210 typedef std::map<std::string, std::string> SubstitutionMap;
 211
 212 // Map of extensions IDs to the executing script paths.
 213 typedef std::map<std::string, std::set<std::string> > ExecutingScriptsMap;
 214
 215 struct ExtensionMsg_Loaded_Params {
 216   ExtensionMsg_Loaded_Params();
 217   ~ExtensionMsg_Loaded_Params();
 218   explicit ExtensionMsg_Loaded_Params(const extensions::Extension* extension);
 219
 220   // Creates a new extension from the data in this object.
 221   scoped_refptr<extensions::Extension> ConvertToExtension(
 222       std::string* error) const;
 223
 224   // The subset of the extension manifest data we send to renderers.
 225   linked_ptr<base::DictionaryValue> manifest;
 226
 227   // The location the extension was installed from.
 228   extensions::Manifest::Location location;
 229
 230   // The path the extension was loaded from. This is used in the renderer only
 231   // to generate the extension ID for extensions that are loaded unpacked.
 232   base::FilePath path;
 233
 234   // The extension's active permissions.
 235   extensions::APIPermissionSet apis;
 236   extensions::URLPatternSet explicit_hosts;
 237   extensions::URLPatternSet scriptable_hosts;
 238
 239   // We keep this separate so that it can be used in logging.
 240   std::string id;
 241
 242   // Send creation flags so extension is initialized identically.
 243   int creation_flags;
 244 };
 245
 246 namespace IPC {
 247
 248 template <>
 249 struct ParamTraits<URLPattern> {
 250   typedef URLPattern param_type;
 251   static void Write(Message* m, const param_type& p);
 252   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 253   static void Log(const param_type& p, std::string* l);
 254 };
 255
 256 template <>
 257 struct ParamTraits<extensions::URLPatternSet> {
 258   typedef extensions::URLPatternSet param_type;
 259   static void Write(Message* m, const param_type& p);
 260   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 261   static void Log(const param_type& p, std::string* l);
 262 };
 263
 264 template <>
 265 struct ParamTraits<extensions::APIPermission::ID> {
 266   typedef extensions::APIPermission::ID param_type;
 267   static void Write(Message* m, const param_type& p);
 268   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 269   static void Log(const param_type& p, std::string* l);
 270 };
 271
 272 template <>
 273 struct ParamTraits<extensions::APIPermission*> {
 274   typedef extensions::APIPermission* param_type;
 275   static void Log(const param_type& p, std::string* l);
 276 };
 277
 278 template <>
 279 struct ParamTraits<extensions::APIPermissionSet> {
 280   typedef extensions::APIPermissionSet param_type;
 281   static void Write(Message* m, const param_type& p);
 282   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
 283   static void Log(const param_type& p, std::string* l);
 284 };
 285
 286 template <>
 287 struct ParamTraits<ExtensionMsg_Loaded_Params> {
 288   typedef ExtensionMsg_Loaded_Params param_type;
 289   static void Write(Message* m, const param_type& p);
 290   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 291   static void Log(const param_type& p, std::string* l);
 292 };
 293
 294 }  // namespace IPC
 295
 296 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGES_H_
 297
 298 // Messages sent from the browser to the renderer.
 299
 300 // The browser sends this message in response to all extension api calls. The
 301 // response data (if any) is one of the base::Value subclasses, wrapped as the
 302 // first element in a ListValue.
 303 IPC_MESSAGE_ROUTED4(ExtensionMsg_Response,
 304                     int /* request_id */,
 305                     bool /* success */,
 306                     base::ListValue /* response wrapper (see comment above) */,
 307                     std::string /* error */)
 308
 309 // This message is optionally routed.  If used as a control message, it will
 310 // call a javascript function |function_name| from module |module_name| in
 311 // every registered context in the target process.  If routed, it will be
 312 // restricted to the contexts that are part of the target RenderView.
 313 //
 314 // If |extension_id| is non-empty, the function will be invoked only in
 315 // contexts owned by the extension. |args| is a list of primitive Value types
 316 // that are passed to the function.
 317 IPC_MESSAGE_ROUTED5(ExtensionMsg_MessageInvoke,
 318                     std::string /* extension_id */,
 319                     std::string /* module_name */,
 320                     std::string /* function_name */,
 321                     base::ListValue /* args */,
 322                     bool /* delivered as part of a user gesture */)
 323
 324 // Tell the renderer process all known extension function names.
 325 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetFunctionNames,
 326                      std::vector<std::string>)
 327
 328 // Tell the renderer process the platforms system font.
 329 IPC_MESSAGE_CONTROL2(ExtensionMsg_SetSystemFont,
 330                      std::string /* font_family */,
 331                      std::string /* font_size */)
 332
 333 // Marks an extension as 'active' in an extension process. 'Active' extensions
 334 // have more privileges than other extension content that might end up running
 335 // in the process (e.g. because of iframes or content scripts).
 336 IPC_MESSAGE_CONTROL1(ExtensionMsg_ActivateExtension,
 337                      std::string /* extension_id */)
 338
 339 // Notifies the renderer that extensions were loaded in the browser.
 340 IPC_MESSAGE_CONTROL1(ExtensionMsg_Loaded,
 341                      std::vector<ExtensionMsg_Loaded_Params>)
 342
 343 // Notifies the renderer that an extension was unloaded in the browser.
 344 IPC_MESSAGE_CONTROL1(ExtensionMsg_Unloaded,
 345                      std::string)
 346
 347 // Updates the scripting whitelist for extensions in the render process. This is
 348 // only used for testing.
 349 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetScriptingWhitelist,
 350                      // extension ids
 351                      extensions::ExtensionsClient::ScriptingWhitelist)
 352
 353 // Notification that renderer should run some JavaScript code.
 354 IPC_MESSAGE_ROUTED1(ExtensionMsg_ExecuteCode,
 355                     ExtensionMsg_ExecuteCode_Params)
 356
 357 // Notification that the user scripts have been updated. It has one
 358 // SharedMemoryHandle argument consisting of the pickled script data. This
 359 // handle is valid in the context of the renderer.
 360 IPC_MESSAGE_CONTROL1(ExtensionMsg_UpdateUserScripts,
 361                      base::SharedMemoryHandle)
 362
 363 // Requests application info for the page. The renderer responds back with
 364 // ExtensionHostMsg_DidGetApplicationInfo.
 365 IPC_MESSAGE_ROUTED1(ExtensionMsg_GetApplicationInfo,
 366                     int32 /*page_id*/)
 367
 368 // Tell the render view which browser window it's being attached to.
 369 IPC_MESSAGE_ROUTED1(ExtensionMsg_UpdateBrowserWindowId,
 370                     int /* id of browser window */)
 371
 372 // Tell the render view what its tab ID is.
 373 IPC_MESSAGE_ROUTED1(ExtensionMsg_SetTabId,
 374                     int /* id of tab */)
 375
 376 // Tell the renderer to update an extension's permission set.
 377 IPC_MESSAGE_CONTROL5(ExtensionMsg_UpdatePermissions,
 378                      int /* UpdateExtensionPermissionsInfo::REASON */,
 379                      std::string /* extension_id */,
 380                      extensions::APIPermissionSet /* permissions */,
 381                      extensions::URLPatternSet /* explicit_hosts */,
 382                      extensions::URLPatternSet /* scriptable_hosts */)
 383
 384 // Tell the renderer about new tab-specific permissions for an extension.
 385 IPC_MESSAGE_CONTROL4(ExtensionMsg_UpdateTabSpecificPermissions,
 386                      int32 /* page_id (only relevant for the target tab) */,
 387                      int /* tab_id */,
 388                      std::string /* extension_id */,
 389                      extensions::URLPatternSet /* hosts */)
 390
 391 // Tell the renderer to clear tab-specific permissions for some extensions.
 392 IPC_MESSAGE_CONTROL2(ExtensionMsg_ClearTabSpecificPermissions,
 393                      int /* tab_id */,
 394                      std::vector<std::string> /* extension_ids */)
 395
 396 // Tell the renderer which type this view is.
 397 IPC_MESSAGE_ROUTED1(ExtensionMsg_NotifyRenderViewType,
 398                     extensions::ViewType /* view_type */)
 399
 400 // Deliver a message sent with ExtensionHostMsg_PostMessage.
 401 IPC_MESSAGE_CONTROL3(ExtensionMsg_UsingWebRequestAPI,
 402                      bool /* adblock */,
 403                      bool /* adblock_plus */,
 404                      bool /* other_webrequest */)
 405
 406 // Ask the lazy background page if it is ready to be suspended. This is sent
 407 // when the page is considered idle. The renderer will reply with the same
 408 // sequence_id so that we can tell which message it is responding to.
 409 IPC_MESSAGE_CONTROL2(ExtensionMsg_ShouldSuspend,
 410                      std::string /* extension_id */,
 411                      int /* sequence_id */)
 412
 413 // If we complete a round of ShouldSuspend->ShouldSuspendAck messages without
 414 // the lazy background page becoming active again, we are ready to unload. This
 415 // message tells the page to dispatch the suspend event.
 416 IPC_MESSAGE_CONTROL1(ExtensionMsg_Suspend,
 417                      std::string /* extension_id */)
 418
 419 // The browser changed its mind about suspending this extension.
 420 IPC_MESSAGE_CONTROL1(ExtensionMsg_CancelSuspend,
 421                      std::string /* extension_id */)
 422
 423 // Send to renderer once the installation mentioned on
 424 // ExtensionHostMsg_InlineWebstoreInstall is complete.
 425 IPC_MESSAGE_ROUTED3(ExtensionMsg_InlineWebstoreInstallResponse,
 426                     int32 /* install id */,
 427                     bool /* whether the install was successful */,
 428                     std::string /* error */)
 429
 430 // Response to the renderer for ExtensionHostMsg_GetAppInstallState.
 431 IPC_MESSAGE_ROUTED2(ExtensionMsg_GetAppInstallStateResponse,
 432                     std::string /* state */,
 433                     int32 /* callback_id */)
 434
 435 // Dispatch the Port.onConnect event for message channels.
 436 IPC_MESSAGE_ROUTED5(ExtensionMsg_DispatchOnConnect,
 437                     int /* target_port_id */,
 438                     std::string /* channel_name */,
 439                     base::DictionaryValue /* source_tab */,
 440                     ExtensionMsg_ExternalConnectionInfo,
 441                     std::string /* tls_channel_id */)
 442
 443 // Deliver a message sent with ExtensionHostMsg_PostMessage.
 444 IPC_MESSAGE_ROUTED2(ExtensionMsg_DeliverMessage,
 445                     int /* target_port_id */,
 446                     extensions::Message)
 447
 448 // Dispatch the Port.onDisconnect event for message channels.
 449 IPC_MESSAGE_ROUTED2(ExtensionMsg_DispatchOnDisconnect,
 450                     int /* port_id */,
 451                     std::string /* error_message */)
 452
 453 // Informs the renderer what channel (dev, beta, stable, etc) is running.
 454 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetChannel,
 455                      int /* channel */)
 456
 457 // Adds a logging message to the renderer's root frame DevTools console.
 458 IPC_MESSAGE_ROUTED2(ExtensionMsg_AddMessageToConsole,
 459                     content::ConsoleMessageLevel /* level */,
 460                     std::string /* message */)
 461
 462 // Notify the renderer that its window has closed.
 463 IPC_MESSAGE_ROUTED0(ExtensionMsg_AppWindowClosed)
 464
 465 // Notify the renderer that an extension wants notifications when certain
 466 // searches match the active page.  This message replaces the old set of
 467 // searches, and triggers ExtensionHostMsg_OnWatchedPageChange messages from
 468 // each tab to keep the browser updated about changes.
 469 IPC_MESSAGE_CONTROL1(ExtensionMsg_WatchPages,
 470                      std::vector<std::string> /* CSS selectors */)
 471
 472 // Messages sent from the renderer to the browser.
 473
 474 // A renderer sends this message when an extension process starts an API
 475 // request. The browser will always respond with a ExtensionMsg_Response.
 476 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_Request,
 477                     ExtensionHostMsg_Request_Params)
 478
 479 // A renderer sends this message when an extension process starts an API
 480 // request. The browser will always respond with a ExtensionMsg_Response.
 481 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RequestForIOThread,
 482                      int /* routing_id */,
 483                      ExtensionHostMsg_Request_Params)
 484
 485 // Notify the browser that the given extension added a listener to an event.
 486 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddListener,
 487                      std::string /* extension_id */,
 488                      std::string /* name */)
 489
 490 // Notify the browser that the given extension removed a listener from an
 491 // event.
 492 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RemoveListener,
 493                      std::string /* extension_id */,
 494                      std::string /* name */)
 495
 496 // Notify the browser that the given extension added a listener to an event from
 497 // a lazy background page.
 498 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddLazyListener,
 499                      std::string /* extension_id */,
 500                      std::string /* name */)
 501
 502 // Notify the browser that the given extension is no longer interested in
 503 // receiving the given event from a lazy background page.
 504 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RemoveLazyListener,
 505                      std::string /* extension_id */,
 506                      std::string /* name */)
 507
 508 // Notify the browser that the given extension added a listener to instances of
 509 // the named event that satisfy the filter.
 510 IPC_MESSAGE_CONTROL4(ExtensionHostMsg_AddFilteredListener,
 511                      std::string /* extension_id */,
 512                      std::string /* name */,
 513                      base::DictionaryValue /* filter */,
 514                      bool /* lazy */)
 515
 516 // Notify the browser that the given extension is no longer interested in
 517 // instances of the named event that satisfy the filter.
 518 IPC_MESSAGE_CONTROL4(ExtensionHostMsg_RemoveFilteredListener,
 519                      std::string /* extension_id */,
 520                      std::string /* name */,
 521                      base::DictionaryValue /* filter */,
 522                      bool /* lazy */)
 523
 524 // Notify the browser that an event has finished being dispatched.
 525 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_EventAck)
 526
 527 // Open a channel to all listening contexts owned by the extension with
 528 // the given ID.  This always returns a valid port ID which can be used for
 529 // sending messages.  If an error occurred, the opener will be notified
 530 // asynchronously.
 531 IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToExtension,
 532                             int /* routing_id */,
 533                             ExtensionMsg_ExternalConnectionInfo,
 534                             std::string /* channel_name */,
 535                             bool /* include_tls_channel_id */,
 536                             int /* port_id */)
 537
 538 IPC_SYNC_MESSAGE_CONTROL3_1(ExtensionHostMsg_OpenChannelToNativeApp,
 539                             int /* routing_id */,
 540                             std::string /* source_extension_id */,
 541                             std::string /* native_app_name */,
 542                             int /* port_id */)
 543
 544 // Get a port handle to the given tab.  The handle can be used for sending
 545 // messages to the extension.
 546 IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToTab,
 547                             int /* routing_id */,
 548                             int /* tab_id */,
 549                             std::string /* extension_id */,
 550                             std::string /* channel_name */,
 551                             int /* port_id */)
 552
 553 // Send a message to an extension process.  The handle is the value returned
 554 // by ViewHostMsg_OpenChannelTo*.
 555 IPC_MESSAGE_ROUTED2(ExtensionHostMsg_PostMessage,
 556                     int /* port_id */,
 557                     extensions::Message)
 558
 559 // Send a message to an extension process.  The handle is the value returned
 560 // by ViewHostMsg_OpenChannelTo*.
 561 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_CloseChannel,
 562                      int /* port_id */,
 563                      std::string /* error_message */)
 564
 565 // Used to get the extension message bundle.
 566 IPC_SYNC_MESSAGE_CONTROL1_1(ExtensionHostMsg_GetMessageBundle,
 567                             std::string /* extension id */,
 568                             SubstitutionMap /* message bundle */)
 569
 570 // Sent from the renderer to the browser to return the script running result.
 571 IPC_MESSAGE_ROUTED5(
 572     ExtensionHostMsg_ExecuteCodeFinished,
 573     int /* request id */,
 574     std::string /* error; empty implies success */,
 575     int32 /* page_id the code executed on.  May be -1 if unsuccessful */,
 576     GURL /* URL of the code executed on. May be empty if unsuccessful. */,
 577     base::ListValue /* result of the script */)
 578
 579 // Sent from the renderer to the browser to notify that content scripts are
 580 // running in the renderer that the IPC originated from.
 581 // Note that the page_id is for the parent (or more accurately the topmost)
 582 // frame (e.g. if executing in an iframe this is the page ID of the parent,
 583 // unless the parent is an iframe... etc).
 584 IPC_MESSAGE_ROUTED3(ExtensionHostMsg_ContentScriptsExecuting,
 585                     ExecutingScriptsMap,
 586                     int32 /* page_id of the _topmost_ frame */,
 587                     GURL /* url of the _topmost_ frame */)
 588
 589 IPC_MESSAGE_ROUTED2(ExtensionHostMsg_DidGetApplicationInfo,
 590                     int32 /* page_id */,
 591                     WebApplicationInfo)
 592
 593 // Sent by the renderer to implement chrome.webstore.install().
 594 IPC_MESSAGE_ROUTED4(ExtensionHostMsg_InlineWebstoreInstall,
 595                     int32 /* install id */,
 596                     int32 /* return route id */,
 597                     std::string /* Web Store item ID */,
 598                     GURL /* requestor URL */)
 599
 600 // Sent by the renderer when a web page is checking if its app is installed.
 601 IPC_MESSAGE_ROUTED3(ExtensionHostMsg_GetAppInstallState,
 602                     GURL /* requestor_url */,
 603                     int32 /* return_route_id */,
 604                     int32 /* callback_id */)
 605
 606 // Optional Ack message sent to the browser to notify that the response to a
 607 // function has been processed.
 608 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_ResponseAck,
 609                     int /* request_id */)
 610
 611 // Response to ExtensionMsg_ShouldSuspend.
 612 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_ShouldSuspendAck,
 613                      std::string /* extension_id */,
 614                      int /* sequence_id */)
 615
 616 // Response to ExtensionMsg_Suspend, after we dispatch the suspend event.
 617 IPC_MESSAGE_CONTROL1(ExtensionHostMsg_SuspendAck,
 618                      std::string /* extension_id */)
 619
 620 // Informs the browser to increment the keepalive count for the lazy background
 621 // page, keeping it alive.
 622 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_IncrementLazyKeepaliveCount)
 623
 624 // Informs the browser there is one less thing keeping the lazy background page
 625 // alive.
 626 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_DecrementLazyKeepaliveCount)
 627
 628 // Fetches a globally unique ID (for the lifetime of the browser) from the
 629 // browser process.
 630 IPC_SYNC_MESSAGE_CONTROL0_1(ExtensionHostMsg_GenerateUniqueID,
 631                             int /* unique_id */)
 632
 633 // Resumes resource requests for a newly created app window.
 634 IPC_MESSAGE_CONTROL1(ExtensionHostMsg_ResumeRequests, int /* route_id */)
 635
 636 // Sent by the renderer when the draggable regions are updated.
 637 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_UpdateDraggableRegions,
 638                     std::vector<extensions::DraggableRegion> /* regions */)
 639
 640 // Sent by the renderer to log an API action to the extension activity log.
 641 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddAPIActionToActivityLog,
 642                      std::string /* extension_id */,
 643                      ExtensionHostMsg_APIActionOrEvent_Params)
 644
 645 // Sent by the renderer to log an event to the extension activity log.
 646 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddEventToActivityLog,
 647                     std::string /* extension_id */,
 648                     ExtensionHostMsg_APIActionOrEvent_Params)
 649
 650 // Sent by the renderer to log a DOM action to the extension activity log.
 651 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddDOMActionToActivityLog,
 652                      std::string /* extension_id */,
 653                      ExtensionHostMsg_DOMAction_Params)
 654
 655 // Notifies the browser process that a tab has started or stopped matching
 656 // certain conditions.  This message is sent in response to several events:
 657 //
 658 // * ExtensionMsg_WatchPages was received, updating the set of conditions.
 659 // * A new page is loaded.  This will be sent after ViewHostMsg_FrameNavigate.
 660 //   Currently this only fires for the main frame.
 661 // * Something changed on an existing frame causing the set of matching searches
 662 //   to change.
 663 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_OnWatchedPageChange,
 664                     std::vector<std::string> /* Matching CSS selectors */)