Made Blink aware of top controls offset (Chromium-side)

cc/input/top_controls_manager.h

Index: cc/input/top_controls_manager.h
diff --git a/cc/input/top_controls_manager.h b/cc/input/top_controls_manager.h
index 7d631d85bb1b1b419b73128a7161144e27a21e07..961b351169cc954fc537044367c0005dd591ca11 100644
--- a/cc/input/top_controls_manager.h
+++ b/cc/input/top_controls_manager.h
@@ -39,10 +39,10 @@ class CC_EXPORT TopControlsManager
       float top_controls_hide_threshold);
   virtual ~TopControlsManager();
 
-  float controls_top_offset() { return controls_top_offset_; }
-  float content_top_offset() {
-    return controls_top_offset_ + top_controls_height_;
-  }
+  float controls_height() { return top_controls_height_; }
+  float ControlsTopOffset();
+  float ContentTopOffset();
+
   KeyframedFloatAnimationCurve* animation() {
     return top_controls_animation_.get();
   }
@@ -62,6 +62,8 @@ class CC_EXPORT TopControlsManager
   void PinchEnd();
 
   gfx::Vector2dF Animate(base::TimeTicks monotonic_time);
+  void SetControlsTopOffset(float offset);
+  float top_controls_height() { return top_controls_height_; }
 
  protected:
   TopControlsManager(TopControlsManagerClient* client,
@@ -70,7 +72,6 @@ class CC_EXPORT TopControlsManager
                      float top_controls_hide_threshold);
 
  private:
-  void SetControlsTopOffset(float offset);
   void ResetAnimations();
   void SetupAnimation(AnimationDirection direction);
   void StartAnimationIfNecessary();