Pass the frame instead of the WebContents through RunBluetoothChooser.

content/shell/browser/shell.h

Index: content/shell/browser/shell.h
diff --git a/content/shell/browser/shell.h b/content/shell/browser/shell.h
index b7ae7700c0ea07dc675d4d5bd804fd6e84b73a3d..a08a381d1e51501fd166c625e43186b1b8761ee7 100644
--- a/content/shell/browser/shell.h
+++ b/content/shell/browser/shell.h
@@ -136,9 +136,8 @@ class Shell : public WebContentsDelegate,
   JavaScriptDialogManager* GetJavaScriptDialogManager(
       WebContents* source) override;
   scoped_ptr<BluetoothChooser> RunBluetoothChooser(
-      WebContents* web_contents,
-      const BluetoothChooser::EventHandler& event_handler,
-      const url::Origin& origin) override;
+      RenderFrameHost* frame,
+      const BluetoothChooser::EventHandler& event_handler) override;
 #if defined(OS_MACOSX)
   void HandleKeyboardEvent(WebContents* source,
                            const NativeWebKeyboardEvent& event) override;