Move the parsing of homepage_url" and "devtools_page" out of Extension.

chrome/browser/extensions/api/devtools/devtools_api_factory.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/extensions/api/devtools/devtools_api_factory.h"
+
+#include "chrome/browser/extensions/api/devtools/devtools_api.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+
+namespace extensions {
+
+// static
+DevtoolsAPIFactory* DevtoolsAPIFactory::GetInstance() {
+  return Singleton<DevtoolsAPIFactory>::get();
+}
+
+DevtoolsAPIFactory::DevtoolsAPIFactory()
+    : ProfileKeyedServiceFactory("DevtoolsAPI",
+                                 ProfileDependencyManager::GetInstance()) {
+}
+
+DevtoolsAPIFactory::~DevtoolsAPIFactory() {
+}
+
+ProfileKeyedService* DevtoolsAPIFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  return new DevtoolsAPI(profile);
+}
+
+bool DevtoolsAPIFactory::ServiceIsCreatedWithProfile() const {
+  return true;
+}
+
+bool DevtoolsAPIFactory::ServiceIsNULLWhileTesting() const {
+  return true;
+}
+
+}  // namespace extensions