Introducing SurfaceReferenceFactory

content/renderer/child_frame_compositing_helper.h

Index: content/renderer/child_frame_compositing_helper.h
diff --git a/content/renderer/child_frame_compositing_helper.h b/content/renderer/child_frame_compositing_helper.h
index 9362e9a09b37a0402a796f1f56484d749279787b..d0926dfd683c817812af0bc032b1ab784f4dc0f8 100644
--- a/content/renderer/child_frame_compositing_helper.h
+++ b/content/renderer/child_frame_compositing_helper.h
@@ -40,7 +40,6 @@ namespace content {
 
 class BrowserPlugin;
 class RenderFrameProxy;
-class ThreadSafeSender;
 
 class CONTENT_EXPORT ChildFrameCompositingHelper
     : public base::RefCounted<ChildFrameCompositingHelper> {
@@ -78,24 +77,6 @@ class CONTENT_EXPORT ChildFrameCompositingHelper
   void CheckSizeAndAdjustLayerProperties(const gfx::Size& new_size,
                                          float device_scale_factor,
                                          cc::Layer* layer);
-  static void SatisfyCallback(scoped_refptr<ThreadSafeSender> sender,
-                              int host_routing_id,
-                              const cc::SurfaceSequence& sequence);
-  static void SatisfyCallbackBrowserPlugin(
-      scoped_refptr<ThreadSafeSender> sender,
-      int host_routing_id,
-      int browser_plugin_instance_id,
-      const cc::SurfaceSequence& sequence);
-  static void RequireCallback(scoped_refptr<ThreadSafeSender> sender,
-                              int host_routing_id,
-                              const cc::SurfaceId& id,
-                              const cc::SurfaceSequence& sequence);
-  static void RequireCallbackBrowserPlugin(
-      scoped_refptr<ThreadSafeSender> sender,
-      int host_routing_id,
-      int browser_plugin_instance_id,
-      const cc::SurfaceId& id,
-      const cc::SurfaceSequence& sequence);
   void UpdateWebLayer(std::unique_ptr<blink::WebLayer> layer);
 
   int host_routing_id_;