Fix compile error "error: #elif with no expression"

views/focus/focus_manager_unittest.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Disabled right now as this won't work on BuildBots right now as this test
 // require the box it runs on to be unlocked (and no screen-savers).
 // The test actually simulates mouse and key events, so if the screen is locked,
 // the events don't go to the Chrome window.
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 125 matching lines @@
 
     // Flush the message loop to make Purify happy.
     message_loop()->RunAllPending();
   }
 
   FocusManager* GetFocusManager() {
 #if defined(OS_WIN)
     return static_cast<WindowWin*>(window_)->GetFocusManager();
 #elif defined(OS_LINUX)
     return static_cast<WindowGtk*>(window_)->GetFocusManager();
-#elif
+#else
     NOTIMPLEMENTED();
 #endif
   }
 
   void FocusNativeView(gfx::NativeView native_view) {
 #if defined(OS_WIN)
   ::SendMessage(native_view, WM_SETFOCUS, NULL, NULL);
 #else
     gint return_val;
     GdkEventFocus event;
@@ skipping 1202 matching lines @@
   focus_manager_indirect =
       views::FocusManager::GetFocusManagerForNativeView(
           window2.GetNativeView());
   EXPECT_EQ(focus_manager_indirect, focus_manager_member1);
 
   DestroyWindow(hwnd);
 }
 #endif
 
 }  // namespace views