Remove RWHV::SetBounds() from the public API, and make comments clearer.

content/public/browser/render_widget_host_view.h

Index: content/public/browser/render_widget_host_view.h
diff --git a/content/public/browser/render_widget_host_view.h b/content/public/browser/render_widget_host_view.h
index 71c693bf7c3c09c90b6df776d1afe9dff015fbf2..777aea106956b50e013a91b0d68b45ed2d5a3505 100644
--- a/content/public/browser/render_widget_host_view.h
+++ b/content/public/browser/render_widget_host_view.h
@@ -54,13 +54,12 @@ class CONTENT_EXPORT RenderWidgetHostView {
   // Returns the associated RenderWidgetHost.
   virtual RenderWidgetHost* GetRenderWidgetHost() const = 0;
 
-  // Tells the View to size itself to the specified size.
+  // Tells the View to size itself, or its top-level window (impl-dependent), to
+  // the specified size in screen coordinates. Note that this will not take
+  // effect permanently if this View's native view is being managed by the auto-
+  // layout heuristics of the native UI toolkit.
   virtual void SetSize(const gfx::Size& size) = 0;
 
-  // Tells the View to size and move itself to the specified size and point in
-  // screen space.
-  virtual void SetBounds(const gfx::Rect& rect) = 0;
-
   // Retrieves the last known scroll position.
   virtual gfx::Vector2dF GetLastScrollOffset() const = 0;
 
@@ -115,7 +114,15 @@ class CONTENT_EXPORT RenderWidgetHostView {
   virtual void WasUnOccluded() = 0;
   virtual void WasOccluded() = 0;
 
-  // Retrieve the bounds of the View, in screen coordinates.
+  // Retrieves the bounds of the View, in screen coordinates. Note that this
+  // reflects the region the view occupies on-screen, accounting for any scaling
+  // performed on the native view by the platform or UI toolkit. Callers should
+  // NOT assume the size of this region is equal to to the View's actual
+  // rendering size, and NOT assume a device scale factor will resolve this
+  // discrepancy.
+  //
+  // TODO(miu): Provide a GetRenderingSize() method for use cases that need the
+  // actual DIP rendering size. http://crbug.com/73362
   virtual gfx::Rect GetViewBounds() const = 0;
 
   // Returns true if the View's context menu is showing.