Adding compositor callbacks to RenderWidgetHostViewAndroid

content/browser/renderer_host/compositor_impl_android.cc

Index: content/browser/renderer_host/compositor_impl_android.cc
diff --git a/content/browser/renderer_host/compositor_impl_android.cc b/content/browser/renderer_host/compositor_impl_android.cc
index da0c00f72cf8797cabecb9575921dbf5eb375d5f..aeb5643f109137e26e5168dd4c45500002478b00 100644
--- a/content/browser/renderer_host/compositor_impl_android.cc
+++ b/content/browser/renderer_host/compositor_impl_android.cc
@@ -27,6 +27,7 @@
 #include "cc/trees/layer_tree_host.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
+#include "content/browser/renderer_host/compositor_observer.h"
 #include "content/common/gpu/client/command_buffer_proxy_impl.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gl_helper.h"
@@ -494,4 +495,22 @@ WebKit::WGC3Denum CompositorImpl::GetGLTypeForBitmap(gfx::JavaBitmap& bitmap) {
   }
 }
 
+void CompositorImpl::AddObserver(CompositorObserver* observer) {
+  observer_list_.AddObserver(observer);
+}
+
+void CompositorImpl::RemoveObserver(CompositorObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
+bool CompositorImpl::HasObserver(CompositorObserver* observer) {
+  return observer_list_.HasObserver(observer);
+}
+
+void CompositorImpl::DidCommit() {
+  FOR_EACH_OBSERVER(CompositorObserver,
+                    observer_list_,
+                    OnCompositingDidCommit(this));
+}
+
 } // namespace content