Add a flag to dump IPC messages sent from the renderer to the browser.

tools/ipc_fuzzer/dump/dump.gyp

-# Copyright 2014 The Chromium Authors. All rights reserved.
+# Copyright 2015 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.
+
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
-      'target_name': 'ipclist',
-      'type': 'executable',
-      'defines': [
-        'FULL_SAFE_BROWSING',
-      ],
+      'target_name': 'ipc_message_dump',
+      'type': 'loadable_module',
       'dependencies': [
         '../message_lib/message_lib.gyp:ipc_message_lib',
       ],
       'sources': [
-        'ipclist.cc',
-      ]
-    }
-  ]
+        'message_dump.cc',
+      ],
+      'include_dirs': [
+        '../../..',
+      ],
+    },
+  ],
 }