Connect WebUSB client interface to the devices app

content/renderer/render_frame_impl.h

 // Copyright 2013 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_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process_handle.h"
 #include "content/common/accessibility_mode_enums.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/public/common/console_message_level.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/renderer_webcookiejar_impl.h"
 #include "ipc/ipc_message.h"
 #include "media/blink/webmediaplayer_delegate.h"
+#include "mojo/application/public/interfaces/service_provider.mojom.h"
+#include "mojo/application/public/interfaces/shell.mojom.h"
 #include "third_party/WebKit/public/platform/modules/app_banner/WebAppBannerClient.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebFrameClient.h"
 #include "third_party/WebKit/public/web/WebHistoryCommitType.h"
 #include "third_party/WebKit/public/web/WebScriptExecutionCallback.h"
 #include "ui/gfx/range/range.h"
 
 #if defined(ENABLE_PLUGINS)
 #include "content/renderer/pepper/plugin_power_saver_helper.h"
@@ skipping 499 matching lines @@
   virtual bool enterFullscreen();
   virtual bool exitFullscreen();
   virtual blink::WebPermissionClient* permissionClient();
   virtual blink::WebAppBannerClient* appBannerClient();
   virtual void registerProtocolHandler(const blink::WebString& scheme,
                                        const blink::WebURL& url,
                                        const blink::WebString& title);
   virtual void unregisterProtocolHandler(const blink::WebString& scheme,
                                          const blink::WebURL& url);
   virtual blink::WebBluetooth* bluetooth();
+  virtual blink::WebUSBClient* usbClient();
 
 #if defined(ENABLE_WEBVR)
   blink::WebVRClient* webVRClient() override;
 #endif
 
   // WebMediaPlayerDelegate implementation:
   void DidPlay(blink::WebMediaPlayer* player) override;
   void DidPause(blink::WebMediaPlayer* player) override;
   void PlayerGone(blink::WebMediaPlayer* player) override;
 
@@ skipping 265 matching lines @@
   media::interfaces::ServiceFactory* GetMediaServiceFactory();
 
   // Called when a connection error happened on |media_service_factory_|.
   void OnMediaServiceFactoryConnectionError();
 #endif
 
   media::CdmFactory* GetCdmFactory();
 
   void RegisterMojoServices();
 
+  // Connects to a Mojo application and returns a proxy to its exposed
+  // ServiceProvider.
+  mojo::ServiceProviderPtr ConnectToApplication(const GURL& url);
+
   // Stores the WebLocalFrame we are associated with.  This is null from the
   // constructor until SetWebFrame is called, and it is null after
   // frameDetached is called until destruction (which is asynchronous in the
   // case of the main frame, but not subframes).
   blink::WebLocalFrame* frame_;
 
   // Boolean value indicating whether this RenderFrameImpl object is for a
   // subframe or not. It remains accurate during destruction, even when |frame_|
   // has been invalidated.
   bool is_subframe_;
@@ skipping 132 matching lines @@
 
   // The push messaging dispatcher attached to this frame, lazily initialized.
   PushMessagingDispatcher* push_messaging_dispatcher_;
 
   // The presentation dispatcher implementation attached to this frame, lazily
   // initialized.
   PresentationDispatcher* presentation_dispatcher_;
 
   ServiceRegistryImpl service_registry_;
 
+  // The shell proxy used to connect to Mojo applications.
+  mojo::ShellPtr mojo_shell_;
+
   // The screen orientation dispatcher attached to the frame, lazily
   // initialized.
   ScreenOrientationDispatcher* screen_orientation_dispatcher_;
 
   // The Manifest Manager handles the manifest requests from the browser
   // process.
   ManifestManager* manifest_manager_;
 
   // The current accessibility mode.
   AccessibilityMode accessibility_mode_;
 
   // Only valid if |accessibility_mode_| is anything other than
   // AccessibilityModeOff.
   RendererAccessibility* renderer_accessibility_;
 
   scoped_ptr<PermissionDispatcher> permission_client_;
 
   scoped_ptr<blink::WebAppBannerClient> app_banner_client_;
 
   scoped_ptr<blink::WebBluetooth> bluetooth_;
 
+  scoped_ptr<blink::WebUSBClient> usb_client_;
+
 #if defined(ENABLE_WEBVR)
   // The VR dispatcher attached to the frame, lazily initialized.
   scoped_ptr<VRDispatcher> vr_dispatcher_;
 #endif
 
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
   // The external popup for the currently showing select popup.
   scoped_ptr<ExternalPopupMenu> external_popup_menu_;
 #endif
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_