cros: Eliminate bluetooth methods from SystemTrayDelegate

ash/common/system/tray/default_system_tray_delegate.cc

Index: ash/common/system/tray/default_system_tray_delegate.cc
diff --git a/ash/common/system/tray/default_system_tray_delegate.cc b/ash/common/system/tray/default_system_tray_delegate.cc
index 91f3a3306ce8a16773c13260e63d1e63d3587bfe..cfd33501288e66c5982087ac3cae913b3a4f2e7e 100644
--- a/ash/common/system/tray/default_system_tray_delegate.cc
+++ b/ash/common/system/tray/default_system_tray_delegate.cc
@@ -8,8 +8,7 @@
 
 namespace ash {
 
-DefaultSystemTrayDelegate::DefaultSystemTrayDelegate()
-    : bluetooth_enabled_(true) {}
+DefaultSystemTrayDelegate::DefaultSystemTrayDelegate() {}
 
 DefaultSystemTrayDelegate::~DefaultSystemTrayDelegate() {}
 
@@ -35,26 +34,6 @@ bool DefaultSystemTrayDelegate::ShouldShowNotificationTray() const {
   return true;
 }
 
-void DefaultSystemTrayDelegate::ToggleBluetooth() {
-  bluetooth_enabled_ = !bluetooth_enabled_;
-}
-
-bool DefaultSystemTrayDelegate::IsBluetoothDiscovering() const {
-  return false;
-}
-
-bool DefaultSystemTrayDelegate::GetBluetoothAvailable() {
-  return true;
-}
-
-bool DefaultSystemTrayDelegate::GetBluetoothEnabled() {
-  return bluetooth_enabled_;
-}
-
-bool DefaultSystemTrayDelegate::GetBluetoothDiscovering() {
-  return false;
-}
-
 int DefaultSystemTrayDelegate::GetSystemTrayMenuWidth() {
   // This is the default width for English languages.
   return 300;