Move CycleDirection enum into shelf_constants.

I decided to move it there, because enum really defines 'constants'.

I'm considering moving the remaining of launcher_types.h into a new file
called shelf_item.h, since the types there are really related/tied to
ShelfItem.

BUG=248353
TEST=None, no functional changes
R=jamescook@chromium.org,harrym@chromium.org

Review URL: https://codereview.chromium.org/123073002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243247 0039d316-1c4b-4281-b951-d872f2087c98

ash/launcher/launcher_types.h

@@ -69,12 +69,6 @@ struct ASH_EXPORT LauncherItem {
 
 typedef std::vector<LauncherItem> LauncherItems;
 
-// The direction of the focus cycling.
-enum CycleDirection {
-  CYCLE_FORWARD,
-  CYCLE_BACKWARD
-};
-
 // LauncherItemDetails may be set on Window (by way of
 // SetShelfItemDetailsForWindow) to make the window appear in the shelf. See
 // ShelfWindowWatcher for details.

ash/shelf/shelf.h

@@ -6,7 +6,7 @@
 #define ASH_SHELF_SHELF_H_
 
 #include "ash/ash_export.h"
-#include "ash/launcher/launcher_types.h"
+#include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_types.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"

ash/shelf/shelf_constants.h

@@ -23,6 +23,12 @@ extern const int kInvalidShelfID;
 // Animation duration for switching black shelf and dock background on and off.
 ASH_EXPORT extern const int kTimeToSwitchBackgroundMs;
 
+// The direction of the focus cycling.
+enum CycleDirection {
+  CYCLE_FORWARD,
+  CYCLE_BACKWARD
+};
+
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_CONSTANTS_H_

ash/shelf/shelf_navigator.h

@@ -6,7 +6,7 @@
 #define ASH_SHELF_SHELF_NAVIGATOR_H_
 
 #include "ash/ash_export.h"
-#include "ash/launcher/launcher_types.h"
+#include "ash/shelf/shelf_constants.h"
 
 namespace ash {