app_shell: Add ShellContentRendererClient

apps/shell/shell_content_renderer_client.h

+// 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 "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/renderer/content_renderer_client.h"
+
+namespace extensions {
+class Dispatcher;
+}
+
+namespace apps {
+
+class ShellExtensionsClient;
+
+// Renderer initialization and runtime support for app_shell.
+class ShellContentRendererClient : public content::ContentRendererClient {
+ public:
+  ShellContentRendererClient();
+  virtual ~ShellContentRendererClient();
+
+  // content::ContentRendererClient implementation:
+  virtual void RenderThreadStarted() OVERRIDE;
+  virtual void RenderFrameCreated(content::RenderFrame* render_frame) OVERRIDE;
+  virtual void RenderViewCreated(content::RenderView* render_view) OVERRIDE;
+  virtual bool WillSendRequest(blink::WebFrame* frame,
+                               content::PageTransition transition_type,
+                               const GURL& url,
+                               const GURL& first_party_for_cookies,
+                               GURL* new_url) OVERRIDE;
+  virtual void DidCreateScriptContext(blink::WebFrame* frame,
+                                      v8::Handle<v8::Context> context,
+                                      int extension_group,
+                                      int world_id) OVERRIDE;
+  virtual void WillReleaseScriptContext(blink::WebFrame* frame,
+                                        v8::Handle<v8::Context> context,
+                                        int world_id) OVERRIDE;
+  virtual bool ShouldEnableSiteIsolationPolicy() const OVERRIDE;
+
+ private:
+  scoped_ptr<ShellExtensionsClient> extensions_client_;
+  scoped_ptr<extensions::Dispatcher> extension_dispatcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellContentRendererClient);
+};
+
+}  // namespace apps