Delivering the FIRST_NONEMPTY_PAINT phase changing event to base/

content/public/browser/profiler_controller.h

 // 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>
 
@@ skipping 24 matching lines @@
   // 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;
+  // |current_profiling_phase| is the 0-indexed identifier of the current
+  // profiling phase.
+  virtual void GetProfilerData(int sequence_number,
+                               int current_profiling_phase) = 0;
+
+  // Contact child processes and notify them that the |profiling_phase| has
+  // completed.
+  virtual void OnProfilingPhaseCompleted(int profiling_phase) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_PROFILER_CONTROLLER_H_