Index: chrome/browser/metrics/tracking_synchronizer_observer.h |
diff --git a/chrome/browser/metrics/tracking_synchronizer_observer.h b/chrome/browser/metrics/tracking_synchronizer_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..50bfe15fe9c1bbaec4525b06441235e665900589 |
--- /dev/null |
+++ b/chrome/browser/metrics/tracking_synchronizer_observer.h |
@@ -0,0 +1,42 @@ |
+// 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 CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_ |
+#define CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_ |
+#pragma once |
+ |
+#include "content/public/common/process_type.h" |
+ |
+namespace tracked_objects { |
+struct ProcessDataSnapshot; |
+} |
+ |
+namespace chrome_browser_metrics { |
+ |
+// Observer for notifications from the TrackingSynchronizer class. |
+class TrackingSynchronizerObserver { |
+ public: |
+ // Received |profiler_data| from a single process of |process_type|. |
+ // The observer should assume there might be more data coming until |
+ // |FinishedReceivingData()| is called. |
+ virtual void ReceivedProfilerData( |
+ const tracked_objects::ProcessDataSnapshot& profiler_data, |
+ content::ProcessType process_type) = 0; |
+ |
+ // The observer should not expect any more calls to |ReceivedProfilerData()| |
+ // (without re-registering). This is sent either when data from all processes |
+ // has been gathered, or when the request times out. |
+ virtual void FinishedReceivingProfilerData() {} |
+ |
+ protected: |
+ TrackingSynchronizerObserver() {} |
+ virtual ~TrackingSynchronizerObserver() {} |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(TrackingSynchronizerObserver); |
+}; |
+ |
+} // namespace chrome_browser_metrics |
+ |
+#endif // CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_ |