Extract shell methods from ApplicationImpl into a base class, and pass this to Initialize() instead.

components/devtools_service/devtools_service_delegate.cc

 // Copyright 2015 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 "components/devtools_service/devtools_service_delegate.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "components/devtools_service/devtools_registry_impl.h"
 #include "components/devtools_service/devtools_service.h"
 #include "mojo/common/url_type_converters.h"
 #include "mojo/shell/public/cpp/application_connection.h"
-#include "mojo/shell/public/cpp/application_impl.h"
+#include "mojo/shell/public/cpp/shell.h"
 #include "url/gurl.h"
 
 namespace devtools_service {
 
 namespace {
 
 bool IsShell(const GURL& requestor_url) {
   // TODO(yzshen): http://crbug.com/491656 "mojo://shell/" has to be used
   // instead of "mojo:shell" because "mojo" is not treated as a standard scheme.
   return requestor_url == GURL("mojo://shell/");
 }
 
 }  // namespace
 
 DevToolsServiceDelegate::DevToolsServiceDelegate() {
 }
 
 DevToolsServiceDelegate::~DevToolsServiceDelegate() {
 }
 
-void DevToolsServiceDelegate::Initialize(mojo::ApplicationImpl* app) {
-  service_.reset(new DevToolsService(app));
+void DevToolsServiceDelegate::Initialize(mojo::Shell* shell,
+                                         const std::string& url,
+                                         uint32_t id) {
+  service_.reset(new DevToolsService(shell));
 }
 
 bool DevToolsServiceDelegate::AcceptConnection(
     mojo::ApplicationConnection* connection) {
   connection->AddService<DevToolsRegistry>(this);
 
   // DevToolsCoordinator is a privileged interface and only allowed for the
   // shell.
   if (IsShell(GURL(connection->GetRemoteApplicationURL())))
     connection->AddService<DevToolsCoordinator>(this);
@@ skipping 10 matching lines @@
   service_->registry()->BindToRegistryRequest(std::move(request));
 }
 
 void DevToolsServiceDelegate::Create(
     mojo::ApplicationConnection* connection,
     mojo::InterfaceRequest<DevToolsCoordinator> request) {
   service_->BindToCoordinatorRequest(std::move(request));
 }
 
 }  // namespace devtools_service