Implemented ForceMaximizeBrowserWindowOnFirstRun policy, added unit test and browser test.

ash/shell/shell_delegate_impl.h

 // 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.
 
 #ifndef ASH_SHELL_SHELL_DELEGATE_IMPL_H_
 #define ASH_SHELL_SHELL_DELEGATE_IMPL_H_
 
 #include <string>
 
 #include "ash/shell_delegate.h"
@@ skipping 21 matching lines @@
   void SetWatcher(WindowWatcher* watcher);
   void set_browser_context(content::BrowserContext* browser_context) {
     browser_context_ = browser_context;
   }
 
   bool IsFirstRunAfterBoot() const override;
   bool IsIncognitoAllowed() const override;
   bool IsMultiProfilesEnabled() const override;
   bool IsRunningInForcedAppMode() const override;
   bool IsMultiAccountEnabled() const override;
+  bool IsForceMaximizeOnFirstRun() const override;
   void PreInit() override;
   void PreShutdown() override;
   void Exit() override;
   keyboard::KeyboardControllerProxy* CreateKeyboardControllerProxy() override;
   void VirtualKeyboardActivated(bool activated) override;
   void AddVirtualKeyboardStateObserver(
       VirtualKeyboardStateObserver* observer) override;
   void RemoveVirtualKeyboardStateObserver(
       VirtualKeyboardStateObserver* observer) override;
   content::BrowserContext* GetActiveBrowserContext() override;
@@ skipping 19 matching lines @@
   content::BrowserContext* browser_context_;
   scoped_ptr<app_list::AppListViewDelegate> app_list_view_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDelegateImpl);
 };
 
 }  // namespace shell
 }  // namespace ash
 
 #endif  // ASH_SHELL_SHELL_DELEGATE_IMPL_H_