All together now

content/browser/aura/image_transport_factory.h

Index: content/browser/aura/image_transport_factory.h
diff --git a/content/browser/aura/image_transport_factory.h b/content/browser/aura/image_transport_factory.h
index 85fba7d53004126a82dd3d6bca490a024c545ff1..102e572d469f9ad0759f1b8baa3bc80c39fa7204 100644
--- a/content/browser/aura/image_transport_factory.h
+++ b/content/browser/aura/image_transport_factory.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/memory/ref_counted.h"
+#include "content/common/gpu/surface_capturer.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
@@ -15,6 +16,7 @@ class Size;
 }
 
 namespace ui {
+class Compositor;
 class ContextFactory;
 class Texture;
 }
@@ -79,6 +81,12 @@ class ImageTransportFactory {
       float device_scale_factor,
       unsigned int texture_id) = 0;
 
+  // Creates a SurfaceCapturer that captures frames from the given compositor's
+  // current output surface.
+  virtual scoped_ptr<SurfaceCapturer> CreateOutputSurfaceCapturer(
+      ui::Compositor* compositor,
+      SurfaceCapturer::Client* client) = 0;
+
   // Gets a GLHelper instance, associated with the shared context. This
   // GLHelper will get destroyed whenever the shared context is lost
   // (ImageTransportFactoryObserver::OnLostResources is called).