bluetooth: Show tab indicator when BT device is connected

content/browser/web_contents/web_contents_impl.cc

 // 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.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 1109 matching lines @@
     audio_muter_->StopMuting();
   }
 
   FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                     DidUpdateAudioMutingState(mute));
 
   // Notification for UI updates in response to the changed muting state.
   NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
 }
 
+bool WebContentsImpl::IsBluetoothDeviceConnected() const {
+  return bluetooth_device_connected_;
+}
+
+void WebContentsImpl::SetBluetoothDeviceConnected(bool connected) {
+  bluetooth_device_connected_ = connected;
+  // Notification for UI updates in response to the connected device.
+  NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
+}
+
 bool WebContentsImpl::IsCrashed() const {
   return (crashed_status_ == base::TERMINATION_STATUS_PROCESS_CRASHED ||
           crashed_status_ == base::TERMINATION_STATUS_ABNORMAL_TERMINATION ||
           crashed_status_ == base::TERMINATION_STATUS_PROCESS_WAS_KILLED ||
 #if defined(OS_CHROMEOS)
           crashed_status_ ==
               base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM ||
 #endif
           crashed_status_ == base::TERMINATION_STATUS_LAUNCH_FAILED
           );
@@ skipping 3648 matching lines @@
     const WebContentsObserver::MediaPlayerId& id) {
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, MediaStoppedPlaying(id));
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content