Move the keyboard files from base/ to app/.

views/accelerator.h

Index: views/accelerator.h
diff --git a/views/accelerator.h b/views/accelerator.h
index 08dc201c2c83e47f13372d39a354a5b474b3697d..5cf68f1e7d50a947f9931190c726e66ebd087480 100644
--- a/views/accelerator.h
+++ b/views/accelerator.h
@@ -23,10 +23,10 @@ class Accelerator : public menus::Accelerator {
  public:
   Accelerator() : menus::Accelerator() {}
 
-  Accelerator(base::KeyboardCode keycode, int modifiers)
+  Accelerator(app::KeyboardCode keycode, int modifiers)
       : menus::Accelerator(keycode, modifiers) {}
 
-  Accelerator(base::KeyboardCode keycode,
+  Accelerator(app::KeyboardCode keycode,
               bool shift_pressed, bool ctrl_pressed, bool alt_pressed) {
     key_code_ = keycode;
     modifiers_ = 0;