[Presentation API] Add support to content/ for multiple URLs per PresentationRequest.

content/renderer/presentation/presentation_dispatcher.h

 // Copyright 2015 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_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_
 #define CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <queue>
 
 #include "base/compiler_specific.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "content/common/content_export.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationClient.h"
 #include "third_party/WebKit/public/platform/modules/presentation/presentation.mojom.h"
 
 namespace blink {
 class WebPresentationAvailabilityObserver;
 class WebString;
+template <typename T>
+class WebVector;
 }  // namespace blink
 
 namespace content {
 
 // PresentationDispatcher is a delegate for Presentation API messages used by
 // Blink. It forwards the calls to the Mojo PresentationService.
 class CONTENT_EXPORT PresentationDispatcher
     : public RenderFrameObserver,
       public NON_EXPORTED_BASE(blink::WebPresentationClient),
       public NON_EXPORTED_BASE(blink::mojom::PresentationServiceClient) {
@@ skipping 18 matching lines @@
   static SendMessageRequest* CreateSendBinaryMessageRequest(
       const blink::WebString& presentationUrl,
       const blink::WebString& presentationId,
       blink::mojom::PresentationMessageType type,
       const uint8_t* data,
       size_t length);
 
   // WebPresentationClient implementation.
   void setController(blink::WebPresentationController* controller) override;
   void startSession(
-      const blink::WebString& presentationUrl,
+      const blink::WebVector<blink::WebString>& presentationUrls,
       blink::WebPresentationConnectionClientCallbacks* callback) override;
   void joinSession(
-      const blink::WebString& presentationUrl,
+      const blink::WebVector<blink::WebString>& presentationUrls,
       const blink::WebString& presentationId,
       blink::WebPresentationConnectionClientCallbacks* callback) override;
   void sendString(const blink::WebString& presentationUrl,
                   const blink::WebString& presentationId,
                   const blink::WebString& message) override;
   void sendArrayBuffer(const blink::WebString& presentationUrl,
                        const blink::WebString& presentationId,
                        const uint8_t* data,
                        size_t length) override;
   void sendBlobData(const blink::WebString& presentationUrl,
                     const blink::WebString& presentationId,
                     const uint8_t* data,
                     size_t length) override;
   void closeSession(const blink::WebString& presentationUrl,
                     const blink::WebString& presentationId) override;
   void terminateSession(const blink::WebString& presentationUrl,
                         const blink::WebString& presentationId) override;
   void getAvailability(
       const blink::WebString& availabilityUrl,
       blink::WebPresentationAvailabilityCallbacks* callbacks) override;
   void startListening(blink::WebPresentationAvailabilityObserver*) override;
   void stopListening(blink::WebPresentationAvailabilityObserver*) override;
-  void setDefaultPresentationUrl(const blink::WebString& url) override;
+  void setDefaultPresentationUrls(
+      const blink::WebVector<blink::WebString>& presentationUrls) override;
 
   // RenderFrameObserver implementation.
   void DidCommitProvisionalLoad(
       bool is_new_navigation,
       bool is_same_page_navigation) override;
   void OnDestruct() override;
 
   // blink::mojom::PresentationServiceClient
-  void OnScreenAvailabilityNotSupported(const std::string& url) override;
-  void OnScreenAvailabilityUpdated(const std::string& url,
-                                   bool available) override;
+  void OnScreenAvailabilityNotSupported(const GURL& url) override;
+  void OnScreenAvailabilityUpdated(const GURL& url, bool available) override;
   void OnConnectionStateChanged(
       blink::mojom::PresentationSessionInfoPtr connection,
       blink::mojom::PresentationConnectionState state) override;
   void OnConnectionClosed(
       blink::mojom::PresentationSessionInfoPtr connection,
       blink::mojom::PresentationConnectionCloseReason reason,
       const std::string& message) override;
   void OnSessionMessagesReceived(
       blink::mojom::PresentationSessionInfoPtr session_info,
       std::vector<blink::mojom::SessionMessagePtr> messages) override;
@@ skipping 54 matching lines @@
   // Updates the listening state of availability for |status| and notifies the
   // client.
   void UpdateListeningState(AvailabilityStatus* status);
 
   DISALLOW_COPY_AND_ASSIGN(PresentationDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_