Move views::Accelerator to ui in order to use it from aura code.

views/accelerator.h

Index: views/accelerator.h
diff --git a/views/accelerator.h b/views/accelerator.h
index 3dc2f0e900ab7fb62b7f49e152501e034cc3d1ec..d95d7236d87023d8dc981285ba86b41de1c59a19 100644
--- a/views/accelerator.h
+++ b/views/accelerator.h
@@ -29,45 +29,15 @@ class VIEWS_EXPORT Accelerator : public ui::Accelerator {
       : ui::Accelerator(keycode, modifiers) {}
 
   Accelerator(ui::KeyboardCode keycode,
-              bool shift_pressed, bool ctrl_pressed, bool alt_pressed) {
-    key_code_ = keycode;
-    modifiers_ = 0;
-    if (shift_pressed)
-      modifiers_ |= ui::EF_SHIFT_DOWN;
-    if (ctrl_pressed)
-      modifiers_ |= ui::EF_CONTROL_DOWN;
-    if (alt_pressed)
-      modifiers_ |= ui::EF_ALT_DOWN;
-  }
+              bool shift_pressed, bool ctrl_pressed, bool alt_pressed)
+      : ui::Accelerator(keycode, shift_pressed, ctrl_pressed, alt_pressed) {}
 
   virtual ~Accelerator() {}
 
-  bool IsShiftDown() const {
-    return (modifiers_ & ui::EF_SHIFT_DOWN) == ui::EF_SHIFT_DOWN;
-  }
-
-  bool IsCtrlDown() const {
-    return (modifiers_ & ui::EF_CONTROL_DOWN) == ui::EF_CONTROL_DOWN;
-  }
-
-  bool IsAltDown() const {
-    return (modifiers_ & ui::EF_ALT_DOWN) == ui::EF_ALT_DOWN;
-  }
-
   // Returns a string with the localized shortcut if any.
   string16 GetShortcutText() const;
 };
 
-// An interface that classes that want to register for keyboard accelerators
-// should implement.
-class VIEWS_EXPORT AcceleratorTarget {
- public:
-  // This method should return true if the accelerator was processed.
-  virtual bool AcceleratorPressed(const Accelerator& accelerator) = 0;
-
- protected:
-  virtual ~AcceleratorTarget() {}
-};
 }
 
 #endif  // VIEWS_ACCELERATOR_H_