Adding four bezel gestures

ash/accelerators/accelerator_controller_unittest.cc

Index: ash/accelerators/accelerator_controller_unittest.cc
diff --git a/ash/accelerators/accelerator_controller_unittest.cc b/ash/accelerators/accelerator_controller_unittest.cc
index 377d4ee0439dfe44488e4212b7702d66f596df8e..32751d4ba3152ca39a46e20ff1d18b60257e5255 100644
--- a/ash/accelerators/accelerator_controller_unittest.cc
+++ b/ash/accelerators/accelerator_controller_unittest.cc
@@ -126,7 +126,7 @@ class DummyVolumeControlDelegate : public VolumeControlDelegate {
       : consume_(consume),
         handle_volume_mute_count_(0),
         handle_volume_down_count_(0),
-        handle_volume_up_count_(0) {
+        handle_volume_up_count_(0){
   }
   virtual ~DummyVolumeControlDelegate() {}
 
@@ -145,6 +145,8 @@ class DummyVolumeControlDelegate : public VolumeControlDelegate {
     last_accelerator_ = accelerator;
     return consume_;
   }
+  virtual void SetVolumePercent(double percent) OVERRIDE {
+  }
 
   int handle_volume_mute_count() const {
     return handle_volume_mute_count_;