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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ | 5 #ifndef CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ |
6 #define CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ | 6 #define CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "content/public/browser/browser_message_filter.h" | 11 #include "content/public/browser/browser_message_filter.h" |
12 #include "content/public/common/process_type.h" | 12 #include "content/public/common/process_type.h" |
13 | 13 |
14 namespace content { | 14 namespace content { |
15 | 15 |
16 // This class sends and receives histogram messages in the browser process. | 16 // This class sends and receives histogram messages in the browser process. |
17 class HistogramMessageFilter : public BrowserMessageFilter { | 17 class HistogramMessageFilter : public BrowserMessageFilter { |
18 public: | 18 public: |
19 HistogramMessageFilter(); | 19 HistogramMessageFilter(); |
20 | 20 |
21 // BrowserMessageFilter implementation. | 21 // BrowserMessageFilter implementation. |
22 virtual bool OnMessageReceived(const IPC::Message& message, | 22 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
23 bool* message_was_ok) OVERRIDE; | |
24 | 23 |
25 private: | 24 private: |
26 virtual ~HistogramMessageFilter(); | 25 virtual ~HistogramMessageFilter(); |
27 | 26 |
28 // Message handlers. | 27 // Message handlers. |
29 void OnChildHistogramData(int sequence_number, | 28 void OnChildHistogramData(int sequence_number, |
30 const std::vector<std::string>& pickled_histograms); | 29 const std::vector<std::string>& pickled_histograms); |
31 void OnGetBrowserHistogram(const std::string& name, | 30 void OnGetBrowserHistogram(const std::string& name, |
32 std::string* histogram_json); | 31 std::string* histogram_json); |
33 | 32 |
34 DISALLOW_COPY_AND_ASSIGN(HistogramMessageFilter); | 33 DISALLOW_COPY_AND_ASSIGN(HistogramMessageFilter); |
35 }; | 34 }; |
36 | 35 |
37 } // namespace content | 36 } // namespace content |
38 | 37 |
39 #endif // CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ | 38 #endif // CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ |
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