Cleanup: Remove unneeded headers from app/

app/gfx/gl/gl_implementation_linux.cc

 // Copyright (c) 2010 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.
 
 #include <vector>
 
-#include "app/app_switches.h"
 #include "app/gfx/gl/gl_bindings.h"
 #include "app/gfx/gl/gl_context_stub.h"
 #include "app/gfx/gl/gl_implementation.h"
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/native_library.h"
 #include "base/path_service.h"
 
@@ skipping 110 matching lines @@
     }
     default:
       return false;
   }
 
 
   return true;
 }
 
 }  // namespace gfx