Rename classes related to top controls

cc/trees/layer_tree.h

Index: cc/trees/layer_tree.h
diff --git a/cc/trees/layer_tree.h b/cc/trees/layer_tree.h
index 9f749bfe0770d6c3537f1d87033cce08f44f00df..5e433c2e3639a89668ec31e875e679a3f41140a8 100644
--- a/cc/trees/layer_tree.h
+++ b/cc/trees/layer_tree.h
@@ -94,8 +94,8 @@ class CC_EXPORT LayerTree : public MutatorHostClient {
     return inputs_.device_viewport_size;
   }
 
-  void SetTopControlsHeight(float height, bool shrink);
-  void SetTopControlsShownRatio(float ratio);
+  void SetBrowserControlsHeight(float height, bool shrink);
+  void SetBrowserControlsShownRatio(float ratio);
   void SetBottomControlsHeight(float height);
 
   void SetPageScaleFactorAndLimits(float page_scale_factor,
@@ -251,7 +251,7 @@ class CC_EXPORT LayerTree : public MutatorHostClient {
 
     float top_controls_height;
     float top_controls_shown_ratio;
-    bool top_controls_shrink_blink_size;
+    bool browser_controls_shrink_blink_size;
 
     float bottom_controls_height;