Eliminate ash::internal namespace

ash/wm/maximize_mode/maximize_mode_window_manager.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 "ash/wm/maximize_mode/maximize_mode_window_manager.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/maximize_mode/maximize_mode_window_state.h"
 #include "ash/wm/maximize_mode/workspace_backdrop_delegate.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/overview/window_selector_controller.h"
 #include "ash/wm/workspace_controller.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/screen.h"
 
 namespace ash {
-namespace internal {
 
 MaximizeModeWindowManager::~MaximizeModeWindowManager() {
   Shell::GetInstance()->RemoveShellObserver(this);
   Shell::GetScreen()->RemoveObserver(this);
   EnableBackdropBehindTopWindowOnEachDisplay(false);
   RemoveWindowCreationObservers();
   RestoreAllWindows();
   Shell::GetInstance()->OnMaximizeModeEnded();
 }
 
@@ skipping 133 matching lines @@
   return window->type() == ui::wm::WINDOW_TYPE_NORMAL;
 }
 
 void MaximizeModeWindowManager::AddWindowCreationObservers() {
   DCHECK(observed_container_windows_.empty());
   // Observe window activations/creations in the default containers on all root
   // windows.
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   for (aura::Window::Windows::const_iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter) {
-    aura::Window* container = Shell::GetContainer(*iter,
-        internal::kShellWindowId_DefaultContainer);
+    aura::Window* container =
+        Shell::GetContainer(*iter, kShellWindowId_DefaultContainer);
     DCHECK(observed_container_windows_.find(container) ==
               observed_container_windows_.end());
     container->AddObserver(this);
     observed_container_windows_.insert(container);
   }
 }
 
 void MaximizeModeWindowManager::RemoveWindowCreationObservers() {
   for (std::set<aura::Window*>::iterator iter =
            observed_container_windows_.begin();
@@ skipping 20 matching lines @@
   if (backdrops_hidden_)
     return;
   // Inform the WorkspaceLayoutManager that we want to show a backdrop behind
   // the topmost window of its container.
   Shell::RootWindowControllerList controllers =
       Shell::GetAllRootWindowControllers();
   for (Shell::RootWindowControllerList::iterator iter = controllers.begin();
        iter != controllers.end(); ++iter) {
     RootWindowController* controller = *iter;
     aura::Window* container = Shell::GetContainer(
-        controller->root_window(),
-        internal::kShellWindowId_DefaultContainer);
+        controller->root_window(), kShellWindowId_DefaultContainer);
     controller->workspace_controller()->SetMaximizeBackdropDelegate(
         scoped_ptr<WorkspaceLayoutManagerDelegate>(
             enable ? new WorkspaceBackdropDelegate(container) : NULL));
   }
 }
 
-}  // namespace internal
 }  // namespace ash