bluetooth: Initial simple mock content::WebBluetoothImpl.

content/renderer/renderer_blink_platform_impl.h

Index: content/renderer/renderer_blink_platform_impl.h
diff --git a/content/renderer/renderer_blink_platform_impl.h b/content/renderer/renderer_blink_platform_impl.h
index dcd437dbfebb4af71025117e0628436689f049fd..80971efe65b5825198fd05c103a00c6f9a7e73ff 100644
--- a/content/renderer/renderer_blink_platform_impl.h
+++ b/content/renderer/renderer_blink_platform_impl.h
@@ -45,6 +45,7 @@ class QuotaMessageFilter;
 class RendererClipboardClient;
 class RenderView;
 class ThreadSafeSender;
+class WebBluetoothImpl;
 class WebClipboardImpl;
 class WebDatabaseObserverImpl;
 class WebFileSystemImpl;
@@ -147,6 +148,7 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
       const blink::WebURL& storage_partition,
       blink::WebStorageQuotaType,
       blink::WebStorageQuotaCallbacks);
+  virtual blink::WebBluetooth* bluetooth();
   virtual void vibrate(unsigned int milliseconds);
   virtual void cancelVibration();
 
@@ -185,6 +187,8 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
     return web_database_observer_impl_.get();
   }
 
+  WebBluetoothImpl* BluetoothImplForTesting() { return bluetooth_.get(); }
+
  private:
   bool CheckPreparsedJsCachingEnabled() const;
 
@@ -241,6 +245,8 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
 
   scoped_ptr<BatteryStatusDispatcher> battery_status_dispatcher_;
 
+  scoped_ptr<WebBluetoothImpl> bluetooth_;
+
   IDMap<PlatformEventObserverBase, IDMapOwnPointer> platform_event_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererBlinkPlatformImpl);