Add UMA for the number of devices in the chooser when a device is paired

content/shell/browser/shell.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_SHELL_BROWSER_SHELL_H_
 #define CONTENT_SHELL_BROWSER_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
@@ skipping 135 matching lines @@
   void RequestToLockMouse(WebContents* web_contents,
                           bool user_gesture,
                           bool last_unlocked_by_target) override;
   void CloseContents(WebContents* source) override;
   bool CanOverscrollContent() const override;
   void DidNavigateMainFramePostCommit(WebContents* web_contents) override;
   JavaScriptDialogManager* GetJavaScriptDialogManager(
       WebContents* source) override;
   std::unique_ptr<BluetoothChooser> RunBluetoothChooser(
       RenderFrameHost* frame,
-      const BluetoothChooser::EventHandler& event_handler) override;
+      const BluetoothChooser::EventHandler& event_handler,
+      bool accept_all_devices) override;
 #if defined(OS_MACOSX)
   void HandleKeyboardEvent(WebContents* source,
                            const NativeWebKeyboardEvent& event) override;
 #endif
   bool DidAddMessageToConsole(WebContents* source,
                               int32_t level,
                               const base::string16& message,
                               int32_t line_no,
                               const base::string16& source_id) override;
   void RendererUnresponsive(
@@ skipping 109 matching lines @@
   static base::Callback<void(Shell*)> shell_created_callback_;
 
   // True if the destructur of Shell should post a quit closure on the current
   // message loop if the destructed Shell object was the last one.
   static bool quit_message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_H_