Plumbing from WebPresentationClient to the Presentation Mojo service for

content/renderer/presentation/presentation_dispatcher.h

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.

[Peter Beverloo, 2015/01/07 15:13:01]

nit: no (c).

[whywhat, 2015/01/07 18:03:00]

Done.

+// 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 "content/common/presentation_service.mojom.h"
+#include "content/public/renderer/render_frame_observer.h"
+#include "third_party/WebKit/public/platform/WebPresentationClient.h"
+
+namespace content {
+
+// PresentationDispatcher is a delegate for Presentation API messages used by
+// Blink. It forwards the calls to the Mojo PresentationService.
+class PresentationDispatcher
+    : public RenderFrameObserver,
+      public blink::WebPresentationClient,
+      public mojo::InterfaceImpl<presentation::PresentationServiceClient> {
+ public:
+  explicit PresentationDispatcher(RenderFrame* render_frame);
+  virtual ~PresentationDispatcher();

[Peter Beverloo, 2015/01/07 15:13:01]

~PresentationDispatcher() override;

[whywhat, 2015/01/07 18:03:00]

Done.

+
+ private:
+  // WebPresentationClient

[Peter Beverloo, 2015/01/07 15:13:01]

nit: "WebPresentationClient implementation." or similar.

[whywhat, 2015/01/07 18:03:00]

Done.

+  virtual void setController(
+      blink::WebPresentationController* controller) override;

[Peter Beverloo, 2015/01/07 15:13:01]

We don't use "override" for Blink API methods (it makes three-sided patches a
pain). Elsewhere, please only use one of {virtual, override} per Chromium style.

[whywhat, 2015/01/07 18:03:00]

Done.

+  virtual void addDeviceAvailabilityListener() override;
+  virtual void removeDeviceAvailabilityListener() override;
+
+  // PresentationServiceClient
+  void DeviceAvailabilityChanged(bool available) override;
+
+  void DefaultPresentationStarted(
+      presentation::PresentationSessionPtr session) override;
+
+  void ConnectToPresentationServiceIfNeeded();
+
+  blink::WebPresentationController* controller_;
+  presentation::PresentationServicePtr presentation_service_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_