ash: Add a bluetooth entry in the uber tray.

ash/system/tray/system_tray_delegate.h

Index: ash/system/tray/system_tray_delegate.h
diff --git a/ash/system/tray/system_tray_delegate.h b/ash/system/tray/system_tray_delegate.h
index 05d594c0659fe47c79ef8e3c263503cb63f9867a..e328982279fc0bc322c1c3b1f9c1daca2cf2d50f 100644
--- a/ash/system/tray/system_tray_delegate.h
+++ b/ash/system/tray/system_tray_delegate.h
@@ -30,6 +30,17 @@ struct ASH_EXPORT NetworkIconInfo {
   std::string service_path;
 };
 
+struct ASH_EXPORT BluetoothDeviceInfo {
+  BluetoothDeviceInfo();
+  ~BluetoothDeviceInfo();
+
+  std::string address;
+  string16 display_name;
+  bool connected;
+};
+
+typedef std::vector<BluetoothDeviceInfo> BluetoothDeviceList;
+
 struct ASH_EXPORT IMEInfo {
   IMEInfo();
   ~IMEInfo();
@@ -72,9 +83,12 @@ class SystemTrayDelegate {
   // Shows the settings related to date, timezone etc.
   virtual void ShowDateSettings() = 0;
 
-  // Show the settings related to network.
+  // Shows the settings related to network.
   virtual void ShowNetworkSettings() = 0;
 
+  // Shows the settings related to bluetooth.
+  virtual void ShowBluetoothSettings() = 0;
+
   // Shows help.
   virtual void ShowHelp() = 0;
 
@@ -105,6 +119,9 @@ class SystemTrayDelegate {
   // Attempts to lock the screen.
   virtual void RequestLockScreen() = 0;
 
+  // Returns a list of available bluetooth devices.
+  virtual BluetoothDeviceList GetAvailableBluetoothDevices() = 0;
+
   // Returns a list of availble IMEs.
   virtual IMEInfoList GetAvailableIMEList() = 0;
 
@@ -119,6 +136,9 @@ class SystemTrayDelegate {
   // Connects to the network specified by the unique id.
   virtual void ConnectToNetwork(const std::string& network_id) = 0;
 
+  // Shous UI to add a new bluetooth device.
+  virtual void AddBluetoothDevice() = 0;
+
   // Toggles airplane mode.
   virtual void ToggleAirplaneMode() = 0;
 
@@ -128,18 +148,27 @@ class SystemTrayDelegate {
   // Toggles cellular network.
   virtual void ToggleCellular() = 0;
 
+  // Toggles bluetooth.
+  virtual void ToggleBluetooth() = 0;
+
   // Returns whether wifi is available.
   virtual bool GetWifiAvailable() = 0;
 
   // Returns whether cellular networking is available.
   virtual bool GetCellularAvailable() = 0;
 
+  // Returns whether bluetooth capability is available.
+  virtual bool GetBluetoothAvailable() = 0;
+
   // Returns whether wifi is enabled.
   virtual bool GetWifiEnabled() = 0;
 
   // Returns whether cellular networking is enabled.
   virtual bool GetCellularEnabled() = 0;
 
+  // Returns whether bluetooth is enabled.
+  virtual bool GetBluetoothEnabled() = 0;
+
   // Shows UI for changing proxy settings.
   virtual void ChangeProxySettings() = 0;
 };