Attempting to reland the Overview Button Change.

ash/shell.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/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/accelerator_controller.h"
@@ skipping 370 matching lines @@
 }
 
 void Shell::OnOverviewModeStarting() {
   FOR_EACH_OBSERVER(ShellObserver, observers_, OnOverviewModeStarting());
 }
 
 void Shell::OnOverviewModeEnding() {
   FOR_EACH_OBSERVER(ShellObserver, observers_, OnOverviewModeEnding());
 }
 
+void Shell::OnMaximizeModeStarted() {
+  FOR_EACH_OBSERVER(ShellObserver, observers_, OnMaximizeModeStarted());
+}
+
+void Shell::OnMaximizeModeEnded() {
+  FOR_EACH_OBSERVER(ShellObserver, observers_, OnMaximizeModeEnded());
+}
+
 void Shell::CreateShelf() {
   RootWindowControllerList controllers = GetAllRootWindowControllers();
   for (RootWindowControllerList::iterator iter = controllers.begin();
        iter != controllers.end(); ++iter)
     (*iter)->shelf()->CreateShelf();
 }
 
 void Shell::CreateKeyboard() {
   // TODO(bshe): Primary root window controller may not be the controller to
   // attach virtual keyboard. See http://crbug.com/303429
@@ skipping 697 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // Shell, aura::client::ActivationChangeObserver implementation:
 
 void Shell::OnWindowActivated(aura::Window* gained_active,
                               aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash