Implemented ForceMaximizeBrowserWindowOnFirstRun policy, added unit test and browser test.

ash/test/test_shell_delegate.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/test/test_shell_delegate.h"
 
 #include <limits>
 
 #include "ash/default_accessibility_delegate.h"
 #include "ash/gpu_support_stub.h"
@@ skipping 64 matching lines @@
   MediaCaptureState state_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaDelegateImpl);
 };
 
 }  // namespace
 
 TestShellDelegate::TestShellDelegate()
     : num_exit_requests_(0),
       multi_profiles_enabled_(false),
+      force_maximize_on_first_run_(false),
       test_session_state_delegate_(NULL) {
 }
 
 TestShellDelegate::~TestShellDelegate() {
 }
 
 bool TestShellDelegate::IsFirstRunAfterBoot() const {
   return false;
 }
 
 bool TestShellDelegate::IsIncognitoAllowed() const {
   return true;
 }
 
 bool TestShellDelegate::IsMultiProfilesEnabled() const {
   return multi_profiles_enabled_;
 }
 
 bool TestShellDelegate::IsRunningInForcedAppMode() const {
   return false;
 }
 
 bool TestShellDelegate::IsMultiAccountEnabled() const {
   return false;
 }
 
+bool TestShellDelegate::IsForceMaximizeOnFirstRun() const {
+  return force_maximize_on_first_run_;
+}
+
 void TestShellDelegate::PreInit() {
 }
 
 void TestShellDelegate::PreShutdown() {
 }
 
 void TestShellDelegate::Exit() {
   num_exit_requests_++;
 }
 
@@ skipping 77 matching lines @@
 #if defined(OS_CHROMEOS)
   Shell* shell = Shell::GetInstance();
   static_cast<MediaDelegateImpl*>(shell->media_delegate())
       ->set_media_capture_state(state);
   shell->system_tray_notifier()->NotifyMediaCaptureChanged();
 #endif
 }
 
 }  // namespace test
 }  // namespace ash