app_shell: Make renderer run background page JavaScript

apps/shell/shell_content_browser_client.h

 // Copyright 2013 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.
 
 #ifndef APPS_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_
 #define APPS_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "content/public/browser/content_browser_client.h"
 
+class GURL;
+
+namespace extensions {
+class Extension;
+}
+
 namespace apps {
 class ShellBrowserMainParts;
 
 class ShellContentBrowserClient : public content::ContentBrowserClient {
  public:
   ShellContentBrowserClient();
   virtual ~ShellContentBrowserClient();
 
   // content::ContentBrowserClient overrides.
   virtual content::BrowserMainParts* CreateBrowserMainParts(
       const content::MainFunctionParams& parameters) OVERRIDE;
   virtual net::URLRequestContextGetter* CreateRequestContext(
       content::BrowserContext* browser_context,
       content::ProtocolHandlerMap* protocol_handlers) OVERRIDE;
   // TODO(jamescook): Quota management?
   // TODO(jamescook): Speech recognition?
+  virtual bool IsHandledURL(const GURL& url) OVERRIDE;
+  virtual void SiteInstanceGotProcess(content::SiteInstance* site_instance)
+      OVERRIDE;
+  virtual void SiteInstanceDeleting(content::SiteInstance* site_instance)
+      OVERRIDE;
+  virtual void AppendExtraCommandLineSwitches(CommandLine* command_line,
+                                              int child_process_id) OVERRIDE;
 
  private:
+  // Returns the extension or app associated with |site_instance| or NULL.
+  const extensions::Extension* GetExtension(
+      content::SiteInstance* site_instance);
+
   // Owned by content::BrowserMainLoop.
   ShellBrowserMainParts* browser_main_parts_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellContentBrowserClient);
 };
 
 }  // namespace apps
 
 #endif  // APPS_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_