bluetooth: Remove indicator only when there are no more devices connected

content/public/browser/web_contents.h

Index: content/public/browser/web_contents.h
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index 96a3feb63b6dbe947fb39dcc272eeb372bdedfe7..73df20bca58ba03a7dcbe9134e3c73e16533bede 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -353,13 +353,17 @@ class WebContents : public PageNavigator,
   virtual void DecrementCapturerCount() = 0;
   virtual int GetCapturerCount() const = 0;
 
+  // Indicates whether the WebContents is connected to a Bluetooth Device.
+  // Increment calls must be balanced with an equivalent number of

[Jeffrey Yasskin, 2016/04/06 23:05:13]

Maybe "Call Increment when a frame connects to a Bluetooth device and Decrement
when a connection is broken. IsConnectedToBluetoothDevice() then indicates
whether any frame in the WebContents is connected to a Bluetooth Device."

[ortuno, 2016/04/07 15:09:20]

Done.

+  // decrement calls.
+  virtual void IncrementBluetoothConnectedDeviceCount() = 0;
+  virtual void DecrementBluetoothConnectedDeviceCount() = 0;
+  virtual bool IsConnectedToBluetoothDevice() 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.