bluetooth: Show tab indicator when BT device is connected

chrome/browser/ui/tabs/tab_utils.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 CHROME_BROWSER_UI_TABS_TAB_UTILS_H_
 #define CHROME_BROWSER_UI_TABS_TAB_UTILS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 14 matching lines @@
 }  // namespace gfx
 
 // Media state for a tab.  In reality, more than one of these may apply.  See
 // comments for GetTabMediaStateForContents() below.
 enum TabMediaState {
   TAB_MEDIA_STATE_NONE,
   TAB_MEDIA_STATE_RECORDING,  // Audio/Video being recorded, consumed by tab.
   TAB_MEDIA_STATE_CAPTURING,  // Tab contents being captured.
   TAB_MEDIA_STATE_AUDIO_PLAYING,  // Audible audio is playing from the tab.
   TAB_MEDIA_STATE_AUDIO_MUTING,  // Tab audio is being muted.
+  TAB_MEDIA_STATE_BLUETOOTH_CONNECTED, // Tab is connected to a BT Device.
 };
 
 enum TabMutedReason {
   TAB_MUTED_REASON_NONE,  // The tab has never been muted or unmuted.
   TAB_MUTED_REASON_CONTEXT_MENU,  // Mute/Unmute chosen from tab context menu.
   TAB_MUTED_REASON_AUDIO_INDICATOR,  // Mute toggled via tab-strip audio icon.
   TAB_MUTED_REASON_MEDIA_CAPTURE,  // Media recording/capture was started.
   TAB_MUTED_REASON_EXTENSION,  // Mute state changed via extension API.
 };
 
@@ skipping 94 matching lines @@
 // string is returned.
 const std::string& GetExtensionIdForMutedTab(content::WebContents* contents);
 
 // Returns true if the tabs at the |indices| in |tab_strip| are all muted.
 bool AreAllTabsMuted(const TabStripModel& tab_strip,
                      const std::vector<int>& indices);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_TABS_TAB_UTILS_H_