Add content::SurfaceCapturer

content/browser/aura/browser_compositor_output_surface.h

Index: content/browser/aura/browser_compositor_output_surface.h
diff --git a/content/browser/aura/browser_compositor_output_surface.h b/content/browser/aura/browser_compositor_output_surface.h
index f9ec3c8d9d5a9b2ea1a54e78a517e8b0d9f1532d..7b87f912f0d06560554f191ca0a58df363c27600 100644
--- a/content/browser/aura/browser_compositor_output_surface.h
+++ b/content/browser/aura/browser_compositor_output_surface.h
@@ -7,6 +7,7 @@
 
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "cc/output/output_surface.h"
 
@@ -16,6 +17,7 @@ namespace ui { class Compositor; }
 
 namespace content {
 class ContextProviderCommandBuffer;
+class BrowserCompositorOutputSurfaceCapturer;
 class ReflectorImpl;
 class WebGraphicsContext3DCommandBufferImpl;
 
@@ -30,7 +32,7 @@ class BrowserCompositorOutputSurface
       const scoped_refptr<ContextProviderCommandBuffer>& context,
       int surface_id,
       IDMap<BrowserCompositorOutputSurface>* output_surface_map,
-      base::MessageLoopProxy* compositor_message_loop,
+      const scoped_refptr<base::MessageLoopProxy>& compositor_message_loop,
       base::WeakPtr<ui::Compositor> compositor);
 
   virtual ~BrowserCompositorOutputSurface();
@@ -45,6 +47,9 @@ class BrowserCompositorOutputSurface
 
   void SetReflector(ReflectorImpl* reflector);
 
+  void AddCapturer(BrowserCompositorOutputSurfaceCapturer* capturer);
+  void RemoveCapturer(BrowserCompositorOutputSurfaceCapturer* capturer);
+
  private:
   int surface_id_;
   IDMap<BrowserCompositorOutputSurface>* output_surface_map_;
@@ -52,6 +57,7 @@ class BrowserCompositorOutputSurface
   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_;
   base::WeakPtr<ui::Compositor> compositor_;
   scoped_refptr<ReflectorImpl> reflector_;
+  ObserverList<BrowserCompositorOutputSurfaceCapturer> capturer_list_;
 };
 
 }  // namespace content