cc: Remove things from OutputSurface and CompositorFrameSink.

cc/trees/proxy_impl.h

Index: cc/trees/proxy_impl.h
diff --git a/cc/trees/proxy_impl.h b/cc/trees/proxy_impl.h
index b073009f4122ecc820072a9255f2d43e0f3bf8de..d9ed3ce23d6a195e45c4d3235fc8df688e93a368 100644
--- a/cc/trees/proxy_impl.h
+++ b/cc/trees/proxy_impl.h
@@ -74,11 +74,9 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   void OnCanDrawStateChanged(bool can_draw) override;
   void NotifyReadyToActivate() override;
   void NotifyReadyToDraw() override;
-  // Please call these 3 functions through
-  // LayerTreeHostImpl's SetNeedsRedraw(), SetNeedsRedrawRect() and
-  // SetNeedsOneBeginImplFrame().
+  // Please call these 2 functions through
+  // LayerTreeHostImpl's SetNeedsRedraw() and SetNeedsOneBeginImplFrame().
   void SetNeedsRedrawOnImplThread() override;
-  void SetNeedsRedrawRectOnImplThread(const gfx::Rect& dirty_rect) override;
   void SetNeedsOneBeginImplFrameOnImplThread() override;
   void SetNeedsPrepareTilesOnImplThread() override;
   void SetNeedsCommitOnImplThread() override;