| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ |
| #define CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "content/public/browser/browser_message_filter.h" |
| #include "content/public/common/process_type.h" |
| |
| namespace content { |
| |
| // This class sends and receives histogram messages in the browser process. |
| class HistogramMessageFilter : public BrowserMessageFilter { |
| public: |
| HistogramMessageFilter(); |
| |
| // BrowserMessageFilter implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message, |
| bool* message_was_ok) OVERRIDE; |
| |
| private: |
| virtual ~HistogramMessageFilter(); |
| |
| // Message handlers. |
| void OnChildHistogramData(int sequence_number, |
| const std::vector<std::string>& pickled_histograms); |
| void OnGetBrowserHistogram(const std::string& name, |
| std::string* histogram_json); |
| |
| DISALLOW_COPY_AND_ASSIGN(HistogramMessageFilter); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_ |