[Presentation API] (alternative) 1-UA: send message between controller and receiver page

chrome/browser/chrome_content_browser_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 278 matching lines @@
       content::GpuProcessHost* render_process_host) override;
   void RegisterInProcessServices(StaticServiceMap* services) override;
   void RegisterOutOfProcessServices(
       OutOfProcessServiceMap* services) override;
   std::unique_ptr<base::Value> GetServiceManifestOverlay(
       const std::string& name) override;
   void OpenURL(content::BrowserContext* browser_context,
                const content::OpenURLParams& params,
                const base::Callback<void(content::WebContents*)>& callback)
       override;
-  content::PresentationServiceDelegate* GetPresentationServiceDelegate(
+  content::ControllerPresentationServiceDelegate*
+  GetControllerPresentationServiceDelegate(
+      content::WebContents* web_contents) override;
+  content::ReceiverPresentationServiceDelegate*
+  GetReceiverPresentationServiceDelegate(
       content::WebContents* web_contents) override;
 
   void RecordURLMetric(const std::string& metric, const GURL& url) override;
   ScopedVector<content::NavigationThrottle> CreateThrottlesForNavigation(
       content::NavigationHandle* handle) override;
   std::unique_ptr<content::NavigationUIData> GetNavigationUIData(
       content::NavigationHandle* navigation_handle) override;
   std::unique_ptr<content::MemoryCoordinatorDelegate>
   GetMemoryCoordinatorDelegate() override;
 
@@ skipping 42 matching lines @@
   // Vector of additional ChromeContentBrowserClientParts.
   // Parts are deleted in the reverse order they are added.
   std::vector<ChromeContentBrowserClientParts*> extra_parts_;
 
   base::WeakPtrFactory<ChromeContentBrowserClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_