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diff --git a/chromium/content/browser/compositor/browser_compositor_output_surface_proxy.h b/chromium/content/browser/compositor/browser_compositor_output_surface_proxy.h
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+++ b/chromium/content/browser/compositor/browser_compositor_output_surface_proxy.h
@@ -0,0 +1,51 @@
+// Copyright 2014 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_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_
+#define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_
+
+#include "base/id_map.h"
+#include "base/memory/ref_counted.h"
+#include "base/time/time.h"
+#include "content/common/content_export.h"
+
+namespace base { class SingleThreadTaskRunner; }
+
+namespace IPC { class Message; }
+
+namespace content {
+class BrowserCompositorOutputSurface;
+
+// Directs vsync updates to the appropriate BrowserCompositorOutputSurface.
+class CONTENT_EXPORT BrowserCompositorOutputSurfaceProxy
+    : public base::RefCountedThreadSafe<BrowserCompositorOutputSurfaceProxy> {
+ public:
+  BrowserCompositorOutputSurfaceProxy(
+      IDMap<BrowserCompositorOutputSurface>* surface_map);
+
+  // Call this before each OutputSurface is created to ensure that the
+  // proxy is connected to the current host.
+  void ConnectToGpuProcessHost(
+      base::SingleThreadTaskRunner* compositor_thread_task_runner);
+
+ private:
+  friend class base::RefCountedThreadSafe<BrowserCompositorOutputSurfaceProxy>;
+  friend class SoftwareBrowserCompositorOutputSurface;
+  ~BrowserCompositorOutputSurfaceProxy();
+
+  void OnMessageReceivedOnCompositorThread(const IPC::Message& message);
+
+  void OnUpdateVSyncParametersOnCompositorThread(int surface_id,
+                                                 base::TimeTicks timebase,
+                                                 base::TimeDelta interval);
+
+  IDMap<BrowserCompositorOutputSurface>* surface_map_;
+  int connected_to_gpu_process_host_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurfaceProxy);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_