Remove some pass-thrus on RootWindow API in favor of exposing the RootWindowHost again.

printing/printing_context_win.cc

 // 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 "printing/printing_context_win.h"
 
 #include <winspool.h>
 
 #include <algorithm>
 
@@ skipping 23 matching lines @@
 #endif
 
 using base::Time;
 
 namespace {
 
 HWND GetRootWindow(gfx::NativeView view) {
   HWND window = NULL;
 #if defined(USE_AURA)
   if (view)
-    window = view->GetDispatcher()->GetAcceleratedWidget();
+    window = view->GetDispatcher()->host()->GetAcceleratedWidget();
 #else
   if (view && IsWindow(view)) {
     window = GetAncestor(view, GA_ROOTOWNER);
   }
 #endif
   if (!window) {
     // TODO(maruel):  bug 1214347 Get the right browser window instead.
     return GetDesktopWindow();
   }
   return window;
@@ skipping 687 matching lines @@
 
   if (dialog_options.hDevMode != NULL)
     GlobalFree(dialog_options.hDevMode);
   if (dialog_options.hDevNames != NULL)
     GlobalFree(dialog_options.hDevNames);
 
   return context_ ? OK : FAILED;
 }
 
 }  // namespace printing