Get rid of some more dependencies on chrome\common from plugin, in preparatio...

chrome/common/plugin_carbon_interpose_constants_mac.cc

Index: chrome/common/plugin_carbon_interpose_constants_mac.cc
===================================================================
--- chrome/common/plugin_carbon_interpose_constants_mac.cc	(revision 78225)
+++ chrome/common/plugin_carbon_interpose_constants_mac.cc	(working copy)
@@ -1,17 +0,0 @@
-// 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.
-
-#if !defined(__LP64__)
-
-#include "chrome/common/plugin_carbon_interpose_constants_mac.h"
-
-namespace plugin_interpose_strings {
-
-const char kDYLDInsertLibrariesKey[] = "DYLD_INSERT_LIBRARIES";
-const char kInterposeLibraryPath[] =
-    "@executable_path/libplugin_carbon_interpose.dylib";
-
-}  // namespace plugin_interpose_strings
-
-#endif  // !__LP64__