Eliminate ash::internal namespace

ash/wm/window_state.cc

 // Copyright 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/wm/window_state.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shell_window_ids.h"
@@ skipping 132 matching lines @@
 bool WindowState::IsNormalOrSnapped() const {
   return IsNormalStateType() || IsSnapped();
 }
 
 bool WindowState::IsActive() const {
   return IsActiveWindow(window_);
 }
 
 bool WindowState::IsDocked() const {
   return window_->parent() &&
-      window_->parent()->id() == internal::kShellWindowId_DockedContainer;
+         window_->parent()->id() == kShellWindowId_DockedContainer;
 }
 
 bool WindowState::CanMaximize() const {
   return window_->GetProperty(aura::client::kCanMaximizeKey);
 }
 
 bool WindowState::CanMinimize() const {
-  internal::RootWindowController* controller =
-      internal::RootWindowController::ForWindow(window_);
+  RootWindowController* controller = RootWindowController::ForWindow(window_);
   if (!controller)
     return false;
-  aura::Window* lockscreen = controller->GetContainer(
-      internal::kShellWindowId_LockScreenContainersContainer);
+  aura::Window* lockscreen =
+      controller->GetContainer(kShellWindowId_LockScreenContainersContainer);
   if (lockscreen->Contains(window_))
     return false;
 
   return true;
 }
 
 bool WindowState::CanResize() const {
   return window_->GetProperty(aura::client::kCanResizeKey);
 }
 
@@ skipping 234 matching lines @@
 }
 
 WindowState* GetActiveWindowState() {
   aura::Window* active = GetActiveWindow();
   return active ? GetWindowState(active) : NULL;
 }
 
 WindowState* GetWindowState(aura::Window* window) {
   if (!window)
     return NULL;
-  WindowState* settings = window->GetProperty(internal::kWindowStateKey);
+  WindowState* settings = window->GetProperty(kWindowStateKey);
   if(!settings) {
     settings = new WindowState(window);
-    window->SetProperty(internal::kWindowStateKey, settings);
+    window->SetProperty(kWindowStateKey, settings);
   }
   return settings;
 }
 
 const WindowState* GetWindowState(const aura::Window* window) {
   return GetWindowState(const_cast<aura::Window*>(window));
 }
 
 }  // namespace wm
 }  // namespace ash