bluetooth: Show tab indicator when BT device is connected

content/public/browser/web_contents.h

 // Copyright (c) 2012 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_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 345 matching lines @@
   // capturer that provides a non-empty |capture_size| will override the value
   // returned by GetPreferredSize() until all captures have ended.
   virtual void IncrementCapturerCount(const gfx::Size& capture_size) = 0;
   virtual void DecrementCapturerCount() = 0;
   virtual int GetCapturerCount() const = 0;
 
   // Indicates/Sets whether all audio output from this WebContents is muted.
   virtual bool IsAudioMuted() const = 0;
   virtual void SetAudioMuted(bool mute) = 0;
 
+  // Indicates/Sets wheter a WebContents is connected to a Bluetooth Device.
+  virtual bool IsBluetoothDeviceConnected() const = 0;
+  virtual void SetBluetoothDeviceConnected(bool connected) = 0;
+
   // Indicates whether this tab should be considered crashed. The setter will
   // also notify the delegate when the flag is changed.
   virtual bool IsCrashed() const  = 0;
   virtual void SetIsCrashed(base::TerminationStatus status, int error_code) = 0;
 
   virtual base::TerminationStatus GetCrashedStatus() const = 0;
 
   // Whether the tab is in the process of being destroyed.
   virtual bool IsBeingDestroyed() const = 0;
 
@@ skipping 343 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_