Remove SetHostSize/Bounds from RootWindow in favor of just calling SetBounds() on host()

ash/display/mirror_window_controller.cc

 // Copyright (c) 2013 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 "ash/display/mirror_window_controller.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 
 // Xlib.h defines RootWindow.
@@ skipping 186 matching lines @@
         mirror_window->layer());
 
     cursor_window_ = new aura::Window(cursor_window_delegate_.get());
     cursor_window_->SetTransparent(true);
     cursor_window_->Init(aura::WINDOW_LAYER_TEXTURED);
     root_window_->window()->AddChild(cursor_window_);
     cursor_window_->Show();
   } else {
     GetRootWindowSettings(root_window_->window())->display_id =
         display_info.id();
-    root_window_->SetHostBounds(display_info.bounds_in_native());
+    root_window_->host()->SetBounds(display_info.bounds_in_native());
   }
 
   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
   const DisplayInfo& source_display_info = display_manager->GetDisplayInfo(
       Shell::GetScreen()->GetPrimaryDisplay().id());
   DCHECK(display_manager->IsMirrored());
   scoped_ptr<aura::RootWindowTransformer> transformer(
       internal::CreateRootWindowTransformerForMirroredDisplay(
           source_display_info,
           display_info));
@@ skipping 123 matching lines @@
       Shell::GetScreen()->GetPrimaryDisplay().id());
   DCHECK(display_manager->IsMirrored());
   return scoped_ptr<aura::RootWindowTransformer>(
       internal::CreateRootWindowTransformerForMirroredDisplay(
           source_display_info,
           mirror_display_info));
 }
 
 }  // namespace internal
 }  // namespace ash