Convert message files from specific .cc implementation files to use the
new common message generator for the cases where the conversion is trivial.

BUG=none
TEST=

Review URL: http://codereview.chromium.org/6594123

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76765 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/common/database_messages.h b/chrome/common/database_messages.h
index bb910b0..7cf64a17 100644
--- a/chrome/common/database_messages.h
+++ b/chrome/common/database_messages.h
@@ -2,9 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_COMMON_DATABASE_MESSAGES_H_
-#define CHROME_COMMON_DATABASE_MESSAGES_H_
-#pragma once
+// Multiply-included message file, no include guard.
 
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_param_traits.h"
@@ -76,4 +74,3 @@
                      string16 /* origin identifier */,
                      string16 /* database name */)
 
-#endif  // CHROME_COMMON_DATABASE_MESSAGES_H_