Rename WindowTreeHost G|SetBounds to indicate they are in pixels.

ui/aura/window_tree_host_platform.h

Index: ui/aura/window_tree_host_platform.h
diff --git a/ui/aura/window_tree_host_platform.h b/ui/aura/window_tree_host_platform.h
index 773d9f49efabc7dd576807193acfd44f9d50b2d9..7658ec2182987942628ffea18373dcbe68dd9468 100644
--- a/ui/aura/window_tree_host_platform.h
+++ b/ui/aura/window_tree_host_platform.h
@@ -33,8 +33,8 @@ class AURA_EXPORT WindowTreeHostPlatform
   gfx::AcceleratedWidget GetAcceleratedWidget() override;
   void ShowImpl() override;
   void HideImpl() override;
-  gfx::Rect GetBounds() const override;
-  void SetBounds(const gfx::Rect& bounds) override;
+  gfx::Rect GetBoundsInPixel() const override;
+  void SetBoundsInPixel(const gfx::Rect& bounds) override;
   gfx::Point GetLocationOnNativeScreen() const override;
   void SetCapture() override;
   void ReleaseCapture() override;