bluetooth: Show tab indicator when BT device is connected

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 810968476f3f852978f8fa8c8e3c5374170e8130..03863a9bdd3ac0ac830412e7a7310b387ad1c8bc 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -358,6 +358,7 @@ WebContentsImpl::WebContentsImpl(BrowserContext* browser_context)
       accessibility_mode_(
           BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode()),
       audio_stream_monitor_(this),
+      bluetooth_device_connected_(false),
       virtual_keyboard_requested_(false),
       page_scale_factor_is_one_(true),
       loading_weak_factory_(this),
@@ -1124,6 +1125,16 @@ void WebContentsImpl::SetAudioMuted(bool mute) {
   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 ||