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

content/public/browser/content_browser_client.cc

 // 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.
 
 #include "content/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "build/build_config.h"
 #include "content/public/browser/client_certificate_delegate.h"
@@ skipping 358 matching lines @@
     BrowserContext* browser_context,
     const GURL& url) {
   return false;
 }
 
 std::string ContentBrowserClient::GetServiceUserIdForBrowserContext(
     BrowserContext* browser_context) {
   return base::GenerateGUID();
 }
 
-PresentationServiceDelegate*
-ContentBrowserClient::GetPresentationServiceDelegate(
+ControllerPresentationServiceDelegate*
+ContentBrowserClient::GetControllerPresentationServiceDelegate(
     WebContents* web_contents) {
   return nullptr;
 }
+
+ReceiverPresentationServiceDelegate*
+ContentBrowserClient::GetReceiverPresentationServiceDelegate(
+    WebContents* web_contents) {
+  return nullptr;
+}
 
 void ContentBrowserClient::OpenURL(
     content::BrowserContext* browser_context,
     const content::OpenURLParams& params,
     const base::Callback<void(content::WebContents*)>& callback) {
   callback.Run(nullptr);
 }
 
 ScopedVector<NavigationThrottle>
 ContentBrowserClient::CreateThrottlesForNavigation(
@@ skipping 26 matching lines @@
     const std::string& name) {
   return nullptr;
 }
 
 std::unique_ptr<MemoryCoordinatorDelegate>
 ContentBrowserClient::GetMemoryCoordinatorDelegate() {
   return std::unique_ptr<MemoryCoordinatorDelegate>();
 }
 
 }  // namespace content