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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 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_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ |
| 6 #define CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ | 6 #define CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include <set> | 8 #include <set> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/callback.h" | 11 #include "base/callback.h" |
| 12 #include "base/debug/trace_event.h" | |
| 13 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/trace_event/trace_event.h" |
| 14 #include "content/common/content_export.h" | 14 #include "content/common/content_export.h" |
| 15 | 15 |
| 16 namespace content { | 16 namespace content { |
| 17 | 17 |
| 18 class TracingController; | 18 class TracingController; |
| 19 | 19 |
| 20 // TracingController is used on the browser processes to enable/disable | 20 // TracingController is used on the browser processes to enable/disable |
| 21 // trace status and collect trace data. Only the browser UI thread is allowed | 21 // trace status and collect trace data. Only the browser UI thread is allowed |
| 22 // to interact with the TracingController object. All callbacks are called on | 22 // to interact with the TracingController object. All callbacks are called on |
| 23 // the UI thread. | 23 // the UI thread. |
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| 178 // watch event callback. | 178 // watch event callback. |
| 179 virtual bool CancelWatchEvent() = 0; | 179 virtual bool CancelWatchEvent() = 0; |
| 180 | 180 |
| 181 protected: | 181 protected: |
| 182 virtual ~TracingController() {} | 182 virtual ~TracingController() {} |
| 183 }; | 183 }; |
| 184 | 184 |
| 185 } // namespace content | 185 } // namespace content |
| 186 | 186 |
| 187 #endif // CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ | 187 #endif // CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ |
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