Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / search / most_visited_iframe_source.h
1 // Copyright 2013 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 #ifndef CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
6 #define CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
7
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "base/gtest_prod_util.h"
11 #include "chrome/browser/search/iframe_source.h"
12
13 // Serves HTML for displaying suggestions using iframes, e.g.
14 // chrome-search://suggestion/loader.html
15 class MostVisitedIframeSource : public IframeSource {
16  public:
17   MostVisitedIframeSource();
18   ~MostVisitedIframeSource() override;
19
20   // Number of Most Visited elements on the NTP for logging purposes.
21   static const int kNumMostVisited;
22   // Name of the histogram keeping track of Most Visited clicks.
23   static const char kMostVisitedHistogramName[];
24
25   // Overridden from IframeSource. Public for testing.
26   void StartDataRequest(
27       const std::string& path_and_query,
28       int render_process_id,
29       int render_frame_id,
30       const content::URLDataSource::GotDataCallback& callback) override;
31
32  protected:
33   // Overridden from IframeSource:
34   std::string GetSource() const override;
35
36   bool ServesPath(const std::string& path) const override;
37
38  private:
39   FRIEND_TEST_ALL_PREFIXES(MostVisitedIframeSourceTest,
40                            LogEndpointIsValidWithProvider);
41
42   DISALLOW_COPY_AND_ASSIGN(MostVisitedIframeSource);
43 };
44
45 #endif  // CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_