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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 #include "content/browser/histogram_message_filter.h" | 5 #include "content/browser/histogram_message_filter.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
9 #include "base/metrics/statistics_recorder.h" | 9 #include "base/metrics/statistics_recorder.h" |
10 #include "content/browser/histogram_controller.h" | 10 #include "content/browser/histogram_controller.h" |
11 #include "content/browser/tcmalloc_internals_request_job.h" | |
12 #include "content/common/child_process_messages.h" | 11 #include "content/common/child_process_messages.h" |
13 #include "content/public/common/content_switches.h" | 12 #include "content/public/common/content_switches.h" |
14 | 13 |
15 namespace content { | 14 namespace content { |
16 | 15 |
17 HistogramMessageFilter::HistogramMessageFilter() | 16 HistogramMessageFilter::HistogramMessageFilter() |
18 : BrowserMessageFilter(ChildProcessMsgStart) {} | 17 : BrowserMessageFilter(ChildProcessMsgStart) {} |
19 | 18 |
20 bool HistogramMessageFilter::OnMessageReceived(const IPC::Message& message) { | 19 bool HistogramMessageFilter::OnMessageReceived(const IPC::Message& message) { |
21 bool handled = true; | 20 bool handled = true; |
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55 base::HistogramBase* histogram = | 54 base::HistogramBase* histogram = |
56 base::StatisticsRecorder::FindHistogram(name); | 55 base::StatisticsRecorder::FindHistogram(name); |
57 if (!histogram) { | 56 if (!histogram) { |
58 *histogram_json = "{}"; | 57 *histogram_json = "{}"; |
59 } else { | 58 } else { |
60 histogram->WriteJSON(histogram_json); | 59 histogram->WriteJSON(histogram_json); |
61 } | 60 } |
62 } | 61 } |
63 | 62 |
64 } // namespace content | 63 } // namespace content |
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