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

content/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <Carbon/Carbon.h>
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
@@ skipping 783 matching lines @@
     return;
   }
 
   render_widget_host_->WasHidden();
   browser_compositor_->SetRenderWidgetHostIsHidden(true);
 }
 
 void RenderWidgetHostViewMac::SetSize(const gfx::Size& size) {
   gfx::Rect rect = GetViewBounds();
   rect.set_size(size);
-  SetBounds(rect);
+  RequestTopLevelBoundsInScreen(rect);
 }
 
-void RenderWidgetHostViewMac::SetBounds(const gfx::Rect& rect) {
-  // |rect.size()| is view coordinates, |rect.origin| is screen coordinates,
-  // TODO(thakis): fix, http://crbug.com/73362
+void RenderWidgetHostViewMac::RequestTopLevelBoundsInScreen(
+    const gfx::Rect& rect) {
+  // TODO(miu): Fix: Some callers pass-in |rect.size()| as view coordinates,
+  // but the interface requires |rect| to be in screen coordinates.
+  // http://crbug.com/73362
+
   if (render_widget_host_->is_hidden())
     return;
 
   // During the initial creation of the RenderWidgetHostView in
   // WebContentsImpl::CreateRenderViewForRenderManager, SetSize is called with
   // an empty size. In the Windows code flow, it is not ignored because
   // subsequent sizing calls from the OS flow through TCVW::WasSized which calls
   // SetSize() again. On Cocoa, we rely on the Cocoa view struture and resizer
   // flags to keep things sized properly. On the other hand, if the size is not
   // empty then this is a valid request for a pop-up.
@@ skipping 2653 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end