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Unified Diff: content/browser/histogram_subscriber.h

Issue 10454086: Histograms - Support histograms for Plugins, GPU (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 8 years, 6 months ago
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Index: content/browser/histogram_subscriber.h
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--- content/browser/histogram_subscriber.h (revision 0)
+++ content/browser/histogram_subscriber.h (working copy)
@@ -0,0 +1,36 @@
+// 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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Added: svn:eol-style
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