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

content/public/browser/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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 91 matching lines @@
 
 enum class PermissionType;
 class AccessTokenStore;
 class BrowserChildProcessHost;
 class BrowserContext;
 class BrowserMainParts;
 class BrowserPluginGuestDelegate;
 class BrowserPpapiHost;
 class BrowserURLHandler;
 class ClientCertificateDelegate;
+class ControllerPresentationServiceDelegate;
 class DevToolsManagerDelegate;
 class ExternalVideoSurfaceContainer;
 class GpuProcessHost;
 class LocationProvider;
 class MediaObserver;
 class MemoryCoordinatorDelegate;
 class NavigationHandle;
 class NavigationUIData;
 class PlatformNotificationService;
-class PresentationServiceDelegate;
 class QuotaPermissionContext;
+class ReceiverPresentationServiceDelegate;
 class RenderFrameHost;
 class RenderProcessHost;
 class RenderViewHost;
 class ResourceContext;
 class SiteInstance;
 class SpeechRecognitionManagerDelegate;
 class TracingDelegate;
 class VpnServiceProxy;
 class WebContents;
 class WebContentsViewDelegate;
@@ skipping 568 matching lines @@
   // respective sections.
   virtual std::unique_ptr<base::Value> GetServiceManifestOverlay(
       const std::string& name);
 
   // Allows to override the visibility state of a RenderFrameHost.
   // |visibility_state| should not be null. It will only be set if needed.
   virtual void OverridePageVisibilityState(
       RenderFrameHost* render_frame_host,
       blink::WebPageVisibilityState* visibility_state) {}
 
-  // Allows an embedder to provide its own PresentationServiceDelegate
+  // Allows an embedder to provide its own ControllerPresentationServiceDelegate
   // implementation. Returns nullptr if unavailable.
-  virtual PresentationServiceDelegate* GetPresentationServiceDelegate(
-      WebContents* web_contents);
+  virtual ControllerPresentationServiceDelegate*
+  GetControllerPresentationServiceDelegate(WebContents* web_contents);
+
+  // Allows an embedder to provide its own ReceiverPresentationServiceDelegate
+  // implementation. Returns nullptr if unavailable.
+  virtual ReceiverPresentationServiceDelegate*
+  GetReceiverPresentationServiceDelegate(WebContents* web_contents);
 
   // Allows programmatic opening of a new tab/window without going through
   // another WebContents. For example, from a Worker. |callback| will be
   // invoked with the appropriate WebContents* when available.
   virtual void OpenURL(BrowserContext* browser_context,
                        const OpenURLParams& params,
                        const base::Callback<void(WebContents*)>& callback);
 
   // Allows the embedder to record |metric| for a specific |url|.
   virtual void RecordURLMetric(const std::string& metric, const GURL& url) {}
@@ skipping 50 matching lines @@
 #endif
 
   // Returns an instance of MemoryCoordinatorDelegate.
   virtual std::unique_ptr<MemoryCoordinatorDelegate>
   GetMemoryCoordinatorDelegate();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_