Add a path for content/ to open and control a Bluetooth chooser dialog.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index a36899d89a1a40ac84a6d126fc31508432fedd49..84bd95d188511b22303319063e983599a425c210 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -24,6 +24,7 @@
 #include "content/common/image_downloader/image_downloader.mojom.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/common/navigation_params.h"
+#include "content/public/browser/bluetooth_chooser.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/common/javascript_message_type.h"
 #include "net/http/http_response_headers.h"
@@ -472,6 +473,12 @@ class CONTENT_EXPORT RenderFrameHostImpl
   // Returns the Mojo ImageDownloader service.
   const image_downloader::ImageDownloaderPtr& GetMojoImageDownloader();
 
+  // The frame asked to show the bluetooth.requestDevice() chooser.
+  scoped_ptr<BluetoothChooser> RunBluetoothChooser(
+      BluetoothChooser::Observer* observer,
+      int chooser_id,
+      const GURL& origin);
+
  protected:
   friend class RenderFrameHostFactory;