Move ActivationClient/Delegate to client namespace.

ui/aura/root_window.cc

 // Copyright (c) 2011 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/aura/root_window.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 459 matching lines @@
 }
 
 void RootWindow::SetFocusedWindow(Window* focused_window) {
   if (focused_window == focused_window_)
     return;
   if (focused_window && !focused_window->CanFocus())
     return;
   // The NULL-check of |focused)window| is essential here before asking the
   // activation client, since it is valid to clear the focus by calling
   // SetFocusedWindow() to NULL.
-  if (focused_window && ActivationClient::GetActivationClient() &&
-      !ActivationClient::GetActivationClient()->CanFocusWindow(
-          focused_window)) {
+  if (focused_window && client::GetActivationClient() &&
+      !client::GetActivationClient()->CanFocusWindow(focused_window)) {
     return;
   }
 
   if (focused_window_ && focused_window_->delegate())
     focused_window_->delegate()->OnBlur();
   focused_window_ = focused_window;
   if (focused_window_ && focused_window_->delegate())
     focused_window_->delegate()->OnFocus();
   if (focused_window_) {
     FOR_EACH_OBSERVER(RootWindowObserver, observers_,
@@ skipping 30 matching lines @@
       base::StringToInt(parts[1], &parsed_height) && parsed_height > 0) {
     bounds.set_size(gfx::Size(parsed_width, parsed_height));
   } else if (use_fullscreen_host_window_) {
     bounds = gfx::Rect(RootWindowHost::GetNativeScreenSize());
   }
 
   return bounds;
 }
 
 }  // namespace aura