Move wm/core to wm namespace.

ash/wm/workspace/workspace_layout_manager_unittest.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 "ash/wm/workspace/workspace_layout_manager.h"
 
 #include "ash/display/display_layout.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
@@ skipping 320 matching lines @@
   // before the parent set. This mimics what BrowserFrameAsh does.
   window->AddObserver(&window_observer);
   ParentWindowInPrimaryRootWindow(window.get());
   window->Show();
 
   wm::WindowState* window_state = wm::GetWindowState(window.get());
   window_state->Activate();
 
   scoped_ptr<aura::Window> window2(
       CreateTestWindowInShellWithBounds(gfx::Rect(12, 20, 30, 40)));
-  views::corewm::AddTransientChild(window.get(), window2.get());
+  ::wm::AddTransientChild(window.get(), window2.get());
   window2->Show();
 
   window_observer.set_window(window2.get());
   window_state->Maximize();
   EXPECT_EQ("10,20 30x40",
             window_state->GetRestoreBoundsInScreen().ToString());
   window->RemoveObserver(&window_observer);
 }
 
 // Verifies when a window is maximized all descendant windows have a size.
@@ skipping 588 matching lines @@
   EXPECT_EQ("b,x",
             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
                                    window3.get()));
   ShowTopWindowBackdrop(false);
   EXPECT_EQ("b",
             GetWindowOrderAsString(NULL, window1.get(), window2.get(),
                                    window3.get()));
 }
 
 }  // namespace ash