Remove SendBeginFramesToChildren plumbing

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index f333037480c779895e868d1265c85d8dd6f3d5ea..65b18e05f84b8a3bda560f346317a5e54778fd60 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -21,10 +21,10 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
+#include "cc/scheduler/begin_frame_source.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/compositor/image_transport_factory.h"
 #include "content/browser/compositor/owned_mailbox.h"
-#include "content/browser/renderer_host/begin_frame_observer_proxy.h"
 #include "content/browser/renderer_host/delegated_frame_host.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/content_export.h"
@@ -92,14 +92,14 @@ class TouchSelectionControllerClientAura;
 class CONTENT_EXPORT RenderWidgetHostViewAura
     : public RenderWidgetHostViewBase,
       public DelegatedFrameHostClient,
-      public BeginFrameObserverProxyClient,
       public ui::TextInputClient,
       public gfx::DisplayObserver,
       public aura::WindowTreeHostObserver,
       public aura::WindowDelegate,
       public aura::client::ActivationDelegate,
       public aura::client::FocusChangeObserver,
-      public aura::client::CursorClientObserver {
+      public aura::client::CursorClientObserver,
+      public cc::BeginFrameObserverBase {
  public:
   // When |is_guest_view_hack| is true, this view isn't really the view for
   // the |widget|, a RenderWidgetHostViewGuest is.
@@ -460,9 +460,11 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   void DelegatedFrameHostUpdateVSyncParameters(
       const base::TimeTicks& timebase,
       const base::TimeDelta& interval) override;
+  void SetBeginFrameSource(cc::BeginFrameSource* source) override;
 
-  // BeginFrameObserverProxyClient implementation.
-  void SendBeginFrame(const cc::BeginFrameArgs& args) override;
+  // cc::BeginFrameObserverBase implementation.
+  bool OnBeginFrameDerivedImpl(const cc::BeginFrameArgs& args) override;
+  void OnBeginFrameSourcePausedChanged(bool paused) override;
 
   // Detaches |this| from the input method object.
   void DetachFromInputMethod();
@@ -592,6 +594,10 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   // Current tooltip text.
   base::string16 tooltip_;
 
+  // The begin frame source being observed.  Null if none.
+  cc::BeginFrameSource* begin_frame_source_;
+  bool needs_begin_frames_;
+
   // Used to record the last position of the mouse.
   // While the mouse is locked, they store the last known position just as mouse
   // lock was entered.
@@ -670,8 +676,6 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   // compositing surface and showing the disambiguation popup.
   gfx::Vector2dF disambiguation_scroll_offset_;
 
-  BeginFrameObserverProxy begin_frame_observer_proxy_;
-
   // This flag when set ensures that we send over a notification to blink that
   // the current view has focus. Defaults to false.
   bool set_focus_on_mouse_down_or_key_event_;