| // 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_PUBLIC_BROWSER_PROFILER_CONTROLLER_H_ |
| #define CONTENT_PUBLIC_BROWSER_PROFILER_CONTROLLER_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/tracked_objects.h" |
| #include "content/common/content_export.h" |
| |
| |
| namespace base { |
| class DictionaryValue; |
| } |
| |
| namespace content { |
| |
| class ProfilerSubscriber; |
| |
| // ProfilerController is used on the browser process to collect profiler data. |
| // Only the browser UI thread is allowed to interact with the ProfilerController |
| // object. |
| class CONTENT_EXPORT ProfilerController { |
| public: |
| // Returns the ProfilerController object for the current process, or NULL if |
| // none. |
| static ProfilerController* GetInstance(); |
| |
| virtual ~ProfilerController() {} |
| |
| // Register the subscriber so that it will be called when for example |
| // OnProfilerDataCollected is returning profiler data from a child process. |
| // This is called on UI thread. |
| virtual void Register(ProfilerSubscriber* subscriber) = 0; |
| |
| // Unregister the subscriber so that it will not be called when for example |
| // OnProfilerDataCollected is returning profiler data from a child process. |
| // Safe to call even if caller is not the current subscriber. |
| virtual void Unregister(const ProfilerSubscriber* subscriber) = 0; |
| |
| // Contact all processes and get their profiler data. |
| virtual void GetProfilerData(int sequence_number) = 0; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_PROFILER_CONTROLLER_H_ |