Decompose BrowserStateMonitor into two parts, simplifying unit tests and APIs.

chrome/browser/chromeos/input_method/mock_input_method_manager.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 "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
 
 namespace chromeos {
 namespace input_method {
 
 MockInputMethodManager::MockInputMethodManager()
     : add_observer_count_(0),
       remove_observer_count_(0),
-      set_state_count_(0),
-      last_state_(STATE_TERMINATING),
       util_(&delegate_, whitelist_.GetSupportedInputMethods()) {
 }
 
 MockInputMethodManager::~MockInputMethodManager() {
 }
 
 void MockInputMethodManager::AddObserver(
     InputMethodManager::Observer* observer) {
   ++add_observer_count_;
 }
 
 void MockInputMethodManager::AddCandidateWindowObserver(
     InputMethodManager::CandidateWindowObserver* observer) {
 }
 
 void MockInputMethodManager::RemoveObserver(
     InputMethodManager::Observer* observer) {
   ++remove_observer_count_;
 }
 
 void MockInputMethodManager::RemoveCandidateWindowObserver(
     InputMethodManager::CandidateWindowObserver* observer) {
 }
 
-void MockInputMethodManager::SetState(State new_state) {
-  ++set_state_count_;
-  last_state_ = new_state;
-}
-
 scoped_ptr<InputMethodDescriptors>
 MockInputMethodManager::GetSupportedInputMethods() const {
   scoped_ptr<InputMethodDescriptors> result(new InputMethodDescriptors);
   result->push_back(
       InputMethodDescriptor::GetFallbackInputMethodDescriptor());
   return result.Pass();
 }
 
 scoped_ptr<InputMethodDescriptors>
 MockInputMethodManager::GetActiveInputMethods() const {
@@ skipping 93 matching lines @@
   delegate_.set_active_locale(value);
 }
 
 void MockInputMethodManager::set_hardware_keyboard_layout(
     const std::string& value) {
   delegate_.set_hardware_keyboard_layout(value);
 }
 
 }  // namespace input_method
 }  // namespace chromeos