Histograms - Support histograms for Plugins, GPU

content/browser/histogram_subscriber.h

Index: content/browser/histogram_subscriber.h
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--- content/browser/histogram_subscriber.h	(revision 0)
+++ content/browser/histogram_subscriber.h	(working copy)
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+// 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_BROWSER_HISTOGRAM_SUBSCRIBER_H_
+#define CONTENT_BROWSER_HISTOGRAM_SUBSCRIBER_H_
+
+#include <string>
+#include <vector>
+
+#include "content/common/content_export.h"
+#include "content/public/common/process_type.h"

[jam, 2012/06/07 03:34:33]

nit: not used

[ramant (doing other things), 2012/06/07 23:39:25]

Done.

+
+namespace content {
+
+// Objects interested in receiving histograms derive from HistogramSubscriber.
+class CONTENT_EXPORT HistogramSubscriber {

[jam, 2012/06/07 03:34:33]

nit: i dont think you need CONTENT_EXPORT

[ramant (doing other things), 2012/06/07 23:39:25]

Done.

+ public:
+  virtual ~HistogramSubscriber() {}
+
+  // Send number of pending processes to subscriber. |end| is set to true if it
+  // is the last time. This is called on the UI thread.
+  virtual void OnPendingProcesses(int sequence_number,
+                                  int pending_processes,
+                                  bool end) = 0;
+
+  // Send |histogram| back to subscriber.
+  // This is called on the UI thread.
+  virtual void OnHistogramDataCollected(
+      int sequence_number,
+      const std::vector<std::string>& pickled_histograms) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_HISTOGRAM_SUBSCRIBER_H_
Property changes on: content/browser/histogram_subscriber.h
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