Compositor bindings for mojo html_viewer

mojo/services/html_viewer/blink_platform_impl.h

Index: mojo/services/html_viewer/blink_platform_impl.h
diff --git a/mojo/services/html_viewer/blink_platform_impl.h b/mojo/services/html_viewer/blink_platform_impl.h
index 5aaf3582ada626b3b7fa275e92adae2db1ad1c83..aeae757bec009e32aa05b9ce8cdb0064f22ea37b 100644
--- a/mojo/services/html_viewer/blink_platform_impl.h
+++ b/mojo/services/html_viewer/blink_platform_impl.h
@@ -9,6 +9,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_local_storage.h"
 #include "base/timer/timer.h"
+#include "cc/blink/web_compositor_support_impl.h"
 #include "mojo/services/html_viewer/webmimeregistry_impl.h"
 #include "mojo/services/html_viewer/webthemeengine_impl.h"
 #include "mojo/services/public/interfaces/network/network_service.mojom.h"
@@ -37,6 +38,8 @@ class BlinkPlatformImpl : public blink::Platform {
   virtual void setSharedTimerFireInterval(double interval_seconds);
   virtual void stopSharedTimer();
   virtual void callOnMainThread(void (*func)(void*), void* context);
+  virtual bool isThreadedCompositingEnabled();
+  virtual blink::WebCompositorSupport* compositorSupport();
   virtual blink::WebURLLoader* createURLLoader();
   virtual blink::WebSocketHandle* createWebSocketHandle();
   virtual blink::WebString userAgent();
@@ -72,6 +75,7 @@ class BlinkPlatformImpl : public blink::Platform {
   bool shared_timer_fire_time_was_set_while_suspended_;
   int shared_timer_suspended_;  // counter
   base::ThreadLocalStorage::Slot current_thread_slot_;
+  cc_blink::WebCompositorSupportImpl compositor_support_;
   WebThemeEngineImpl theme_engine_;
   scoped_ptr<WebCookieJarImpl> cookie_jar_;
   WebMimeRegistryImpl mime_registry_;