Renames LauncherID, LauncherItem and LauncherItems...

ash/shell/shelf_delegate_impl.cc

Index: ash/shell/shelf_delegate_impl.cc
diff --git a/ash/shell/shelf_delegate_impl.cc b/ash/shell/shelf_delegate_impl.cc
index f2f8e1b8f6328f6a785e94d4e4e4e8aab03ca60e..bc4af4e4f5d527d6e32c4bb9665d7b911e1d55fb 100644
--- a/ash/shell/shelf_delegate_impl.cc
+++ b/ash/shell/shelf_delegate_impl.cc
@@ -27,11 +27,11 @@ void ShelfDelegateImpl::OnShelfCreated(Shelf* shelf) {
 void ShelfDelegateImpl::OnShelfDestroyed(Shelf* shelf) {
 }
 
-LauncherID ShelfDelegateImpl::GetLauncherIDForAppID(const std::string& app_id) {
+ShelfID ShelfDelegateImpl::GetShelfIDForAppID(const std::string& app_id) {
   return 0;
 }
 
-const std::string& ShelfDelegateImpl::GetAppIDForLauncherID(LauncherID id) {
+const std::string& ShelfDelegateImpl::GetAppIDForShelfID(ShelfID id) {
   return base::EmptyString();
 }