Add a new GetInstance() method for remaining files with singleton classes under chrome/browser.

chrome/browser/extensions/extension_test_api.cc

 // Copyright (c) 2009 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/extensions/extension_test_api.h"
 
 #include <string>
 
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/extensions/extensions_quota_service.h"
@@ skipping 75 matching lines @@
 
 void ExtensionTestSendMessageFunction::Reply(const std::string& message) {
   result_.reset(Value::CreateStringValue(message));
   SendResponse(true);
   Release();  // balanced in RunImpl
 }
 
 // static
 void ExtensionTestGetConfigFunction::set_test_config_state(
     DictionaryValue* value) {
-  TestConfigState* test_config_state = Singleton<TestConfigState>::get();
+  TestConfigState* test_config_state = TestConfigState::GetInstance();
   test_config_state->set_config_state(value);
 }
 
 ExtensionTestGetConfigFunction::TestConfigState::TestConfigState()
   : config_state_(NULL) {}
 
+// static
+ExtensionTestGetConfigFunction::TestConfigState*
+ExtensionTestGetConfigFunction::TestConfigState::GetInstance() {
+  return Singleton<TestConfigState>::get();
+}
+
 ExtensionTestGetConfigFunction::~ExtensionTestGetConfigFunction() {}
 
 bool ExtensionTestGetConfigFunction::RunImpl() {
-  TestConfigState* test_config_state = Singleton<TestConfigState>::get();
+  TestConfigState* test_config_state = TestConfigState::GetInstance();
 
   if (!test_config_state->config_state()) {
     error_ = kNoTestConfigDataError;
     return false;
   }
 
   result_.reset(test_config_state->config_state()->DeepCopy());
   return true;
 }