Move wm/core to wm namespace.

ui/wm/core/transient_window_controller.cc

 // Copyright 2014 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 "ui/wm/core/transient_window_controller.h"
 
 #include "ui/wm/core/transient_window_manager.h"
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 TransientWindowController::TransientWindowController() {
 }
 
 TransientWindowController::~TransientWindowController() {
 }
 
 void TransientWindowController::AddTransientChild(aura::Window* parent,
                                                   aura::Window* child) {
   TransientWindowManager::Get(parent)->AddTransientChild(child);
@@ skipping 10 matching lines @@
       const_cast<const aura::Window*>(window)));
 }
 
 const aura::Window* TransientWindowController::GetTransientParent(
     const aura::Window* window) {
   const TransientWindowManager* window_manager =
       TransientWindowManager::Get(window);
   return window_manager ? window_manager->transient_parent() : NULL;
 }
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm