app-shell: Introduce a ShellRendererMainDelegate.

apps/shell/renderer/shell_content_renderer_client.cc

 // Copyright 2014 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 "apps/shell/renderer/shell_content_renderer_client.h"
 
 #include "apps/shell/common/shell_extensions_client.h"
 #include "apps/shell/renderer/shell_dispatcher_delegate.h"
 #include "apps/shell/renderer/shell_extensions_renderer_client.h"
+#include "apps/shell/renderer/shell_renderer_main_delegate.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
 #include "content/public/renderer/render_thread.h"
 #include "extensions/common/extensions_client.h"
 #include "extensions/renderer/dispatcher.h"
 #include "extensions/renderer/extension_helper.h"
 
 using blink::WebFrame;
 using blink::WebString;
@@ skipping 31 matching lines @@
 ShellFrameHelper::~ShellFrameHelper() {}
 
 void ShellFrameHelper::WillReleaseScriptContext(v8::Handle<v8::Context> context,
                                                 int world_id) {
   extension_dispatcher_->WillReleaseScriptContext(
       render_frame()->GetWebFrame(), context, world_id);
 }
 
 }  // namespace
 
-ShellContentRendererClient::ShellContentRendererClient() {}
+ShellContentRendererClient::ShellContentRendererClient(
+    ShellRendererMainDelegate* delegate)
+    : delegate_(delegate) {
+}
 
 ShellContentRendererClient::~ShellContentRendererClient() {}
 
 void ShellContentRendererClient::RenderThreadStarted() {
   RenderThread* thread = RenderThread::Get();
 
   extensions_client_.reset(new ShellExtensionsClient);
   extensions::ExtensionsClient::Set(extensions_client_.get());
 
   extensions_renderer_client_.reset(new ShellExtensionsRendererClient);
   extensions::ExtensionsRendererClient::Set(extensions_renderer_client_.get());
 
   extension_dispatcher_delegate_.reset(new ShellDispatcherDelegate());
 
   // Must be initialized after ExtensionsRendererClient.
   extension_dispatcher_.reset(
       new extensions::Dispatcher(extension_dispatcher_delegate_.get()));
   thread->AddObserver(extension_dispatcher_.get());
 
   // TODO(jamescook): Init WebSecurityPolicy for chrome-extension: schemes.
   // See ChromeContentRendererClient for details.
+  if (delegate_)
+    delegate_->OnThreadStarted(thread);
 }
 
 void ShellContentRendererClient::RenderFrameCreated(
     content::RenderFrame* render_frame) {
   // ShellFrameHelper destroyes itself when the RenderFrame is destroyed.
   new ShellFrameHelper(render_frame, extension_dispatcher_.get());
 }
 
 void ShellContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
   new extensions::ExtensionHelper(render_view, extension_dispatcher_.get());
+  if (delegate_)
+    delegate_->OnViewCreated(render_view);
 }
 
 bool ShellContentRendererClient::WillSendRequest(
     blink::WebFrame* frame,
     content::PageTransition transition_type,
     const GURL& url,
     const GURL& first_party_for_cookies,
     GURL* new_url) {
   // TODO(jamescook): Cause an error for bad extension scheme requests?
   return false;
 }
 
 void ShellContentRendererClient::DidCreateScriptContext(
     WebFrame* frame, v8::Handle<v8::Context> context, int extension_group,
     int world_id) {
   extension_dispatcher_->DidCreateScriptContext(
       frame, context, extension_group, world_id);
 }
 
 bool ShellContentRendererClient::ShouldEnableSiteIsolationPolicy() const {
   // Extension renderers don't need site isolation.
   return false;
 }
 
 }  // namespace apps