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

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index 5bc29a31c28a4a69fb1f193be3f74300f175c3a6..3f4d64b773b66335438bc68f6019def6eab827a2 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -296,7 +296,11 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
                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;