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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_CONTROLLER_H_ | 5 #ifndef CONTENT_BROWSER_HISTOGRAM_CONTROLLER_H_ |
| 6 #define CONTENT_BROWSER_HISTOGRAM_CONTROLLER_H_ | 6 #define CONTENT_BROWSER_HISTOGRAM_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "base/macros.h" |
| 11 #include "base/memory/singleton.h" | 12 #include "base/memory/singleton.h" |
| 12 | 13 |
| 13 namespace content { | 14 namespace content { |
| 14 | 15 |
| 15 class HistogramSubscriber; | 16 class HistogramSubscriber; |
| 16 | 17 |
| 17 // HistogramController is used on the browser process to collect histogram data. | 18 // HistogramController is used on the browser process to collect histogram data. |
| 18 // Only the browser UI thread is allowed to interact with the | 19 // Only the browser UI thread is allowed to interact with the |
| 19 // HistogramController object. | 20 // HistogramController object. |
| 20 class HistogramController { | 21 class HistogramController { |
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| 63 void GetHistogramDataFromChildProcesses(int sequence_number); | 64 void GetHistogramDataFromChildProcesses(int sequence_number); |
| 64 | 65 |
| 65 HistogramSubscriber* subscriber_; | 66 HistogramSubscriber* subscriber_; |
| 66 | 67 |
| 67 DISALLOW_COPY_AND_ASSIGN(HistogramController); | 68 DISALLOW_COPY_AND_ASSIGN(HistogramController); |
| 68 }; | 69 }; |
| 69 | 70 |
| 70 } // namespace content | 71 } // namespace content |
| 71 | 72 |
| 72 #endif // CONTENT_BROWSER_HISTOGRAM_CONTROLLER_H_ | 73 #endif // CONTENT_BROWSER_HISTOGRAM_CONTROLLER_H_ |
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