src/extensions/common/extension_messages.h

   1 // Copyright 2014 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 "content/public/common/common_param_traits.h"
  14 #include "content/public/common/socket_permission_request.h"
  15 #include "extensions/common/api/messaging/message.h"
  16 #include "extensions/common/draggable_region.h"
  17 #include "extensions/common/extension.h"
  18 #include "extensions/common/extensions_client.h"
  19 #include "extensions/common/permissions/media_galleries_permission_data.h"
  20 #include "extensions/common/permissions/permission_set.h"
  21 #include "extensions/common/permissions/socket_permission_data.h"
  22 #include "extensions/common/permissions/usb_device_permission_data.h"
  23 #include "extensions/common/url_pattern.h"
  24 #include "extensions/common/url_pattern_set.h"
  25 #include "extensions/common/view_type.h"
  26 #include "ipc/ipc_message_macros.h"
  27 #include "url/gurl.h"
  28
  29 #define IPC_MESSAGE_START ExtensionMsgStart
  30
  31 IPC_ENUM_TRAITS_MAX_VALUE(extensions::ViewType, extensions::VIEW_TYPE_LAST)
  32 IPC_ENUM_TRAITS_MAX_VALUE(content::SocketPermissionRequest::OperationType,
  33                           content::SocketPermissionRequest::OPERATION_TYPE_LAST)
  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(base::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   // The id of the tab that sent this request, or -1 if there is no source tab.
  86   IPC_STRUCT_MEMBER(int, source_tab_id)
  87
  88   // Unique request id to match requests and responses.
  89   IPC_STRUCT_MEMBER(int, request_id)
  90
  91   // True if request has a callback specified.
  92   IPC_STRUCT_MEMBER(bool, has_callback)
  93
  94   // True if request is executed in response to an explicit user gesture.
  95   IPC_STRUCT_MEMBER(bool, user_gesture)
  96 IPC_STRUCT_END()
  97
  98 // Allows an extension to execute code in a tab.
  99 IPC_STRUCT_BEGIN(ExtensionMsg_ExecuteCode_Params)
 100   // The extension API request id, for responding.
 101   IPC_STRUCT_MEMBER(int, request_id)
 102
 103   // The ID of the requesting extension. To know which isolated world to
 104   // execute the code inside of.
 105   IPC_STRUCT_MEMBER(std::string, extension_id)
 106
 107   // Whether the code is JavaScript or CSS.
 108   IPC_STRUCT_MEMBER(bool, is_javascript)
 109
 110   // String of code to execute.
 111   IPC_STRUCT_MEMBER(std::string, code)
 112
 113   // The webview guest source who calls to execute code.
 114   IPC_STRUCT_MEMBER(GURL, webview_src)
 115
 116   // Whether to inject into all frames, or only the root frame.
 117   IPC_STRUCT_MEMBER(bool, all_frames)
 118
 119   // When to inject the code.
 120   IPC_STRUCT_MEMBER(int, run_at)
 121
 122   // Whether to execute code in the main world (as opposed to an isolated
 123   // world).
 124   IPC_STRUCT_MEMBER(bool, in_main_world)
 125
 126   // Whether the request is coming from a <webview>.
 127   IPC_STRUCT_MEMBER(bool, is_web_view)
 128
 129   // Whether the caller is interested in the result value. Manifest-declared
 130   // content scripts and executeScript() calls without a response callback
 131   // are examples of when this will be false.
 132   IPC_STRUCT_MEMBER(bool, wants_result)
 133
 134   // The URL of the file that was injected, if any.
 135   IPC_STRUCT_MEMBER(GURL, file_url)
 136
 137   // Whether the code to be executed should be associated with a user gesture.
 138   IPC_STRUCT_MEMBER(bool, user_gesture)
 139 IPC_STRUCT_END()
 140
 141 // Struct containing the data for external connections to extensions. Used to
 142 // handle the IPCs initiated by both connect() and onConnect().
 143 IPC_STRUCT_BEGIN(ExtensionMsg_ExternalConnectionInfo)
 144   // The ID of the extension that is the target of the request.
 145   IPC_STRUCT_MEMBER(std::string, target_id)
 146
 147   // The ID of the extension that initiated the request. May be empty if it
 148   // wasn't initiated by an extension.
 149   IPC_STRUCT_MEMBER(std::string, source_id)
 150
 151   // The URL of the frame that initiated the request.
 152   IPC_STRUCT_MEMBER(GURL, source_url)
 153 IPC_STRUCT_END()
 154
 155 // Parameters structure for ExtensionMsg_UpdatePermissions.
 156 IPC_STRUCT_BEGIN(ExtensionMsg_UpdatePermissions_Params)
 157   IPC_STRUCT_MEMBER(int /* UpdateExtensionPermissionsInfo::REASON */, reason_id)
 158   IPC_STRUCT_MEMBER(std::string, extension_id)
 159   IPC_STRUCT_MEMBER(extensions::APIPermissionSet, apis)
 160   IPC_STRUCT_MEMBER(extensions::ManifestPermissionSet, manifest_permissions)
 161   IPC_STRUCT_MEMBER(extensions::URLPatternSet, explicit_hosts)
 162   IPC_STRUCT_MEMBER(extensions::URLPatternSet, scriptable_hosts)
 163 IPC_STRUCT_END()
 164
 165 IPC_STRUCT_TRAITS_BEGIN(extensions::DraggableRegion)
 166   IPC_STRUCT_TRAITS_MEMBER(draggable)
 167   IPC_STRUCT_TRAITS_MEMBER(bounds)
 168 IPC_STRUCT_TRAITS_END()
 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::Message)
 195   IPC_STRUCT_TRAITS_MEMBER(data)
 196   IPC_STRUCT_TRAITS_MEMBER(user_gesture)
 197 IPC_STRUCT_TRAITS_END()
 198
 199 // Singly-included section for custom IPC traits.
 200 #ifndef EXTENSIONS_COMMON_EXTENSION_MESSAGES_H_
 201 #define EXTENSIONS_COMMON_EXTENSION_MESSAGES_H_
 202
 203 // IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
 204 // to typedef it to avoid that.
 205 // Substitution map for l10n messages.
 206 typedef std::map<std::string, std::string> SubstitutionMap;
 207
 208 // Map of extensions IDs to the executing script paths.
 209 typedef std::map<std::string, std::set<std::string> > ExecutingScriptsMap;
 210
 211 struct ExtensionMsg_Loaded_Params {
 212   ExtensionMsg_Loaded_Params();
 213   ~ExtensionMsg_Loaded_Params();
 214   explicit ExtensionMsg_Loaded_Params(const extensions::Extension* extension);
 215
 216   // Creates a new extension from the data in this object.
 217   scoped_refptr<extensions::Extension> ConvertToExtension(
 218       std::string* error) const;
 219
 220   // The subset of the extension manifest data we send to renderers.
 221   linked_ptr<base::DictionaryValue> manifest;
 222
 223   // The location the extension was installed from.
 224   extensions::Manifest::Location location;
 225
 226   // The path the extension was loaded from. This is used in the renderer only
 227   // to generate the extension ID for extensions that are loaded unpacked.
 228   base::FilePath path;
 229
 230   // The extension's active permissions.
 231   extensions::APIPermissionSet apis;
 232   extensions::ManifestPermissionSet manifest_permissions;
 233   extensions::URLPatternSet explicit_hosts;
 234   extensions::URLPatternSet scriptable_hosts;
 235
 236   // We keep this separate so that it can be used in logging.
 237   std::string id;
 238
 239   // Send creation flags so extension is initialized identically.
 240   int creation_flags;
 241 };
 242
 243 namespace IPC {
 244
 245 template <>
 246 struct ParamTraits<URLPattern> {
 247   typedef URLPattern param_type;
 248   static void Write(Message* m, const param_type& p);
 249   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 250   static void Log(const param_type& p, std::string* l);
 251 };
 252
 253 template <>
 254 struct ParamTraits<extensions::URLPatternSet> {
 255   typedef extensions::URLPatternSet param_type;
 256   static void Write(Message* m, const param_type& p);
 257   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 258   static void Log(const param_type& p, std::string* l);
 259 };
 260
 261 template <>
 262 struct ParamTraits<extensions::APIPermission::ID> {
 263   typedef extensions::APIPermission::ID param_type;
 264   static void Write(Message* m, const param_type& p);
 265   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 266   static void Log(const param_type& p, std::string* l);
 267 };
 268
 269 template <>
 270 struct ParamTraits<extensions::APIPermissionSet> {
 271   typedef extensions::APIPermissionSet param_type;
 272   static void Write(Message* m, const param_type& p);
 273   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
 274   static void Log(const param_type& p, std::string* l);
 275 };
 276
 277 template <>
 278 struct ParamTraits<extensions::ManifestPermissionSet> {
 279   typedef extensions::ManifestPermissionSet param_type;
 280   static void Write(Message* m, const param_type& p);
 281   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
 282   static void Log(const param_type& p, std::string* l);
 283 };
 284
 285 template <>
 286 struct ParamTraits<ExtensionMsg_Loaded_Params> {
 287   typedef ExtensionMsg_Loaded_Params param_type;
 288   static void Write(Message* m, const param_type& p);
 289   static bool Read(const Message* m, PickleIterator* iter, param_type* p);
 290   static void Log(const param_type& p, std::string* l);
 291 };
 292
 293 }  // namespace IPC
 294
 295 #endif  // EXTENSIONS_COMMON_EXTENSION_MESSAGES_H_
 296
 297 // Messages sent from the browser to the renderer.
 298
 299 // The browser sends this message in response to all extension api calls. The
 300 // response data (if any) is one of the base::Value subclasses, wrapped as the
 301 // first element in a ListValue.
 302 IPC_MESSAGE_ROUTED4(ExtensionMsg_Response,
 303                     int /* request_id */,
 304                     bool /* success */,
 305                     base::ListValue /* response wrapper (see comment above) */,
 306                     std::string /* error */)
 307
 308 // This message is optionally routed.  If used as a control message, it will
 309 // call a javascript function |function_name| from module |module_name| in
 310 // every registered context in the target process.  If routed, it will be
 311 // restricted to the contexts that are part of the target RenderView.
 312 //
 313 // If |extension_id| is non-empty, the function will be invoked only in
 314 // contexts owned by the extension. |args| is a list of primitive Value types
 315 // that are passed to the function.
 316 IPC_MESSAGE_ROUTED5(ExtensionMsg_MessageInvoke,
 317                     std::string /* extension_id */,
 318                     std::string /* module_name */,
 319                     std::string /* function_name */,
 320                     base::ListValue /* args */,
 321                     bool /* delivered as part of a user gesture */)
 322
 323 // Tell the renderer process all known extension function names.
 324 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetFunctionNames,
 325                      std::vector<std::string>)
 326
 327 // Tell the renderer process the platforms system font.
 328 IPC_MESSAGE_CONTROL2(ExtensionMsg_SetSystemFont,
 329                      std::string /* font_family */,
 330                      std::string /* font_size */)
 331
 332 // Marks an extension as 'active' in an extension process. 'Active' extensions
 333 // have more privileges than other extension content that might end up running
 334 // in the process (e.g. because of iframes or content scripts).
 335 IPC_MESSAGE_CONTROL1(ExtensionMsg_ActivateExtension,
 336                      std::string /* extension_id */)
 337
 338 // Notifies the renderer that extensions were loaded in the browser.
 339 IPC_MESSAGE_CONTROL1(ExtensionMsg_Loaded,
 340                      std::vector<ExtensionMsg_Loaded_Params>)
 341
 342 // Notifies the renderer that an extension was unloaded in the browser.
 343 IPC_MESSAGE_CONTROL1(ExtensionMsg_Unloaded,
 344                      std::string)
 345
 346 // Updates the scripting whitelist for extensions in the render process. This is
 347 // only used for testing.
 348 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetScriptingWhitelist,
 349                      // extension ids
 350                      extensions::ExtensionsClient::ScriptingWhitelist)
 351
 352 // Notification that renderer should run some JavaScript code.
 353 IPC_MESSAGE_ROUTED1(ExtensionMsg_ExecuteCode,
 354                     ExtensionMsg_ExecuteCode_Params)
 355
 356 // Notification that the user scripts have been updated. It has one
 357 // SharedMemoryHandle argument consisting of the pickled script data. This
 358 // handle is valid in the context of the renderer.
 359 IPC_MESSAGE_CONTROL1(ExtensionMsg_UpdateUserScripts,
 360                      base::SharedMemoryHandle)
 361
 362 // Tell the render view which browser window it's being attached to.
 363 IPC_MESSAGE_ROUTED1(ExtensionMsg_UpdateBrowserWindowId,
 364                     int /* id of browser window */)
 365
 366 // Tell the render view what its tab ID is.
 367 IPC_MESSAGE_ROUTED1(ExtensionMsg_SetTabId,
 368                     int /* id of tab */)
 369
 370 // Tell the renderer to update an extension's permission set.
 371 IPC_MESSAGE_CONTROL1(ExtensionMsg_UpdatePermissions,
 372                      ExtensionMsg_UpdatePermissions_Params)
 373
 374 // Tell the renderer about new tab-specific permissions for an extension.
 375 IPC_MESSAGE_CONTROL4(ExtensionMsg_UpdateTabSpecificPermissions,
 376                      int32 /* page_id (only relevant for the target tab) */,
 377                      int /* tab_id */,
 378                      std::string /* extension_id */,
 379                      extensions::URLPatternSet /* hosts */)
 380
 381 // Tell the renderer to clear tab-specific permissions for some extensions.
 382 IPC_MESSAGE_CONTROL2(ExtensionMsg_ClearTabSpecificPermissions,
 383                      int /* tab_id */,
 384                      std::vector<std::string> /* extension_ids */)
 385
 386 // Tell the renderer which type this view is.
 387 IPC_MESSAGE_ROUTED1(ExtensionMsg_NotifyRenderViewType,
 388                     extensions::ViewType /* view_type */)
 389
 390 // Deliver a message sent with ExtensionHostMsg_PostMessage.
 391 IPC_MESSAGE_CONTROL3(ExtensionMsg_UsingWebRequestAPI,
 392                      bool /* adblock */,
 393                      bool /* adblock_plus */,
 394                      bool /* other_webrequest */)
 395
 396 // Ask the lazy background page if it is ready to be suspended. This is sent
 397 // when the page is considered idle. The renderer will reply with the same
 398 // sequence_id so that we can tell which message it is responding to.
 399 IPC_MESSAGE_CONTROL2(ExtensionMsg_ShouldSuspend,
 400                      std::string /* extension_id */,
 401                      int /* sequence_id */)
 402
 403 // If we complete a round of ShouldSuspend->ShouldSuspendAck messages without
 404 // the lazy background page becoming active again, we are ready to unload. This
 405 // message tells the page to dispatch the suspend event.
 406 IPC_MESSAGE_CONTROL1(ExtensionMsg_Suspend,
 407                      std::string /* extension_id */)
 408
 409 // The browser changed its mind about suspending this extension.
 410 IPC_MESSAGE_CONTROL1(ExtensionMsg_CancelSuspend,
 411                      std::string /* extension_id */)
 412
 413 // Response to the renderer for ExtensionHostMsg_GetAppInstallState.
 414 IPC_MESSAGE_ROUTED2(ExtensionMsg_GetAppInstallStateResponse,
 415                     std::string /* state */,
 416                     int32 /* callback_id */)
 417
 418 // Dispatch the Port.onConnect event for message channels.
 419 IPC_MESSAGE_ROUTED5(ExtensionMsg_DispatchOnConnect,
 420                     int /* target_port_id */,
 421                     std::string /* channel_name */,
 422                     base::DictionaryValue /* source_tab */,
 423                     ExtensionMsg_ExternalConnectionInfo,
 424                     std::string /* tls_channel_id */)
 425
 426 // Deliver a message sent with ExtensionHostMsg_PostMessage.
 427 IPC_MESSAGE_ROUTED2(ExtensionMsg_DeliverMessage,
 428                     int /* target_port_id */,
 429                     extensions::Message)
 430
 431 // Dispatch the Port.onDisconnect event for message channels.
 432 IPC_MESSAGE_ROUTED2(ExtensionMsg_DispatchOnDisconnect,
 433                     int /* port_id */,
 434                     std::string /* error_message */)
 435
 436 // Informs the renderer what channel (dev, beta, stable, etc) is running.
 437 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetChannel,
 438                      int /* channel */)
 439
 440 // Adds a logging message to the renderer's root frame DevTools console.
 441 IPC_MESSAGE_ROUTED2(ExtensionMsg_AddMessageToConsole,
 442                     content::ConsoleMessageLevel /* level */,
 443                     std::string /* message */)
 444
 445 // Notify the renderer that its window has closed.
 446 IPC_MESSAGE_ROUTED0(ExtensionMsg_AppWindowClosed)
 447
 448 // Notify the renderer that an extension wants notifications when certain
 449 // searches match the active page.  This message replaces the old set of
 450 // searches, and triggers ExtensionHostMsg_OnWatchedPageChange messages from
 451 // each tab to keep the browser updated about changes.
 452 IPC_MESSAGE_CONTROL1(ExtensionMsg_WatchPages,
 453                      std::vector<std::string> /* CSS selectors */)
 454
 455 // Messages sent from the renderer to the browser.
 456
 457 // A renderer sends this message when an extension process starts an API
 458 // request. The browser will always respond with a ExtensionMsg_Response.
 459 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_Request,
 460                     ExtensionHostMsg_Request_Params)
 461
 462 // A renderer sends this message when an extension process starts an API
 463 // request. The browser will always respond with a ExtensionMsg_Response.
 464 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RequestForIOThread,
 465                      int /* routing_id */,
 466                      ExtensionHostMsg_Request_Params)
 467
 468 // Notify the browser that the given extension added a listener to an event.
 469 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddListener,
 470                      std::string /* extension_id */,
 471                      std::string /* name */)
 472
 473 // Notify the browser that the given extension removed a listener from an
 474 // event.
 475 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RemoveListener,
 476                      std::string /* extension_id */,
 477                      std::string /* name */)
 478
 479 // Notify the browser that the given extension added a listener to an event from
 480 // a lazy background page.
 481 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddLazyListener,
 482                      std::string /* extension_id */,
 483                      std::string /* name */)
 484
 485 // Notify the browser that the given extension is no longer interested in
 486 // receiving the given event from a lazy background page.
 487 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RemoveLazyListener,
 488                      std::string /* extension_id */,
 489                      std::string /* name */)
 490
 491 // Notify the browser that the given extension added a listener to instances of
 492 // the named event that satisfy the filter.
 493 IPC_MESSAGE_CONTROL4(ExtensionHostMsg_AddFilteredListener,
 494                      std::string /* extension_id */,
 495                      std::string /* name */,
 496                      base::DictionaryValue /* filter */,
 497                      bool /* lazy */)
 498
 499 // Notify the browser that the given extension is no longer interested in
 500 // instances of the named event that satisfy the filter.
 501 IPC_MESSAGE_CONTROL4(ExtensionHostMsg_RemoveFilteredListener,
 502                      std::string /* extension_id */,
 503                      std::string /* name */,
 504                      base::DictionaryValue /* filter */,
 505                      bool /* lazy */)
 506
 507 // Notify the browser that an event has finished being dispatched.
 508 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_EventAck)
 509
 510 // Open a channel to all listening contexts owned by the extension with
 511 // the given ID.  This always returns a valid port ID which can be used for
 512 // sending messages.  If an error occurred, the opener will be notified
 513 // asynchronously.
 514 IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToExtension,
 515                             int /* routing_id */,
 516                             ExtensionMsg_ExternalConnectionInfo,
 517                             std::string /* channel_name */,
 518                             bool /* include_tls_channel_id */,
 519                             int /* port_id */)
 520
 521 IPC_SYNC_MESSAGE_CONTROL3_1(ExtensionHostMsg_OpenChannelToNativeApp,
 522                             int /* routing_id */,
 523                             std::string /* source_extension_id */,
 524                             std::string /* native_app_name */,
 525                             int /* port_id */)
 526
 527 // Get a port handle to the given tab.  The handle can be used for sending
 528 // messages to the extension.
 529 IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToTab,
 530                             int /* routing_id */,
 531                             int /* tab_id */,
 532                             std::string /* extension_id */,
 533                             std::string /* channel_name */,
 534                             int /* port_id */)
 535
 536 // Send a message to an extension process.  The handle is the value returned
 537 // by ViewHostMsg_OpenChannelTo*.
 538 IPC_MESSAGE_ROUTED2(ExtensionHostMsg_PostMessage,
 539                     int /* port_id */,
 540                     extensions::Message)
 541
 542 // Send a message to an extension process.  The handle is the value returned
 543 // by ViewHostMsg_OpenChannelTo*.
 544 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_CloseChannel,
 545                      int /* port_id */,
 546                      std::string /* error_message */)
 547
 548 // Used to get the extension message bundle.
 549 IPC_SYNC_MESSAGE_CONTROL1_1(ExtensionHostMsg_GetMessageBundle,
 550                             std::string /* extension id */,
 551                             SubstitutionMap /* message bundle */)
 552
 553 // Sent from the renderer to the browser to return the script running result.
 554 IPC_MESSAGE_ROUTED5(
 555     ExtensionHostMsg_ExecuteCodeFinished,
 556     int /* request id */,
 557     std::string /* error; empty implies success */,
 558     int32 /* page_id the code executed on.  May be -1 if unsuccessful */,
 559     GURL /* URL of the code executed on. May be empty if unsuccessful. */,
 560     base::ListValue /* result of the script */)
 561
 562 // Sent from the renderer to the browser to notify that content scripts are
 563 // running in the renderer that the IPC originated from.
 564 // Note that the page_id is for the parent (or more accurately the topmost)
 565 // frame (e.g. if executing in an iframe this is the page ID of the parent,
 566 // unless the parent is an iframe... etc).
 567 IPC_MESSAGE_ROUTED3(ExtensionHostMsg_ContentScriptsExecuting,
 568                     ExecutingScriptsMap,
 569                     int32 /* page_id of the _topmost_ frame */,
 570                     GURL /* url of the _topmost_ frame */)
 571
 572 // Sent by the renderer when a web page is checking if its app is installed.
 573 IPC_MESSAGE_ROUTED3(ExtensionHostMsg_GetAppInstallState,
 574                     GURL /* requestor_url */,
 575                     int32 /* return_route_id */,
 576                     int32 /* callback_id */)
 577
 578 // Optional Ack message sent to the browser to notify that the response to a
 579 // function has been processed.
 580 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_ResponseAck,
 581                     int /* request_id */)
 582
 583 // Response to ExtensionMsg_ShouldSuspend.
 584 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_ShouldSuspendAck,
 585                      std::string /* extension_id */,
 586                      int /* sequence_id */)
 587
 588 // Response to ExtensionMsg_Suspend, after we dispatch the suspend event.
 589 IPC_MESSAGE_CONTROL1(ExtensionHostMsg_SuspendAck,
 590                      std::string /* extension_id */)
 591
 592 // Informs the browser to increment the keepalive count for the lazy background
 593 // page, keeping it alive.
 594 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_IncrementLazyKeepaliveCount)
 595
 596 // Informs the browser there is one less thing keeping the lazy background page
 597 // alive.
 598 IPC_MESSAGE_ROUTED0(ExtensionHostMsg_DecrementLazyKeepaliveCount)
 599
 600 // Fetches a globally unique ID (for the lifetime of the browser) from the
 601 // browser process.
 602 IPC_SYNC_MESSAGE_CONTROL0_1(ExtensionHostMsg_GenerateUniqueID,
 603                             int /* unique_id */)
 604
 605 // Resumes resource requests for a newly created app window.
 606 IPC_MESSAGE_CONTROL1(ExtensionHostMsg_ResumeRequests, int /* route_id */)
 607
 608 // Sent by the renderer when the draggable regions are updated.
 609 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_UpdateDraggableRegions,
 610                     std::vector<extensions::DraggableRegion> /* regions */)
 611
 612 // Sent by the renderer to log an API action to the extension activity log.
 613 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddAPIActionToActivityLog,
 614                      std::string /* extension_id */,
 615                      ExtensionHostMsg_APIActionOrEvent_Params)
 616
 617 // Sent by the renderer to log an event to the extension activity log.
 618 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddEventToActivityLog,
 619                     std::string /* extension_id */,
 620                     ExtensionHostMsg_APIActionOrEvent_Params)
 621
 622 // Sent by the renderer to log a DOM action to the extension activity log.
 623 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddDOMActionToActivityLog,
 624                      std::string /* extension_id */,
 625                      ExtensionHostMsg_DOMAction_Params)
 626
 627 // Notifies the browser process that a tab has started or stopped matching
 628 // certain conditions.  This message is sent in response to several events:
 629 //
 630 // * ExtensionMsg_WatchPages was received, updating the set of conditions.
 631 // * A new page is loaded.  This will be sent after
 632 //   FrameHostMsg_DidCommitProvisionalLoad. Currently this only fires for the
 633 //   main frame.
 634 // * Something changed on an existing frame causing the set of matching searches
 635 //   to change.
 636 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_OnWatchedPageChange,
 637                     std::vector<std::string> /* Matching CSS selectors */)