Set up a interposing library for Carbon calls made by plugins.

chrome/common/plugin_carbon_interpose_constants_mac.cc

Index: chrome/common/plugin_carbon_interpose_constants_mac.cc
diff --git a/chrome/common/plugin_carbon_interpose_constants_mac.cc b/chrome/common/plugin_carbon_interpose_constants_mac.cc
new file mode 100644
index 0000000000000000000000000000000000000000..26f0edc3e8a8b5cf6657d1be24b44d59b927f86d
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+++ b/chrome/common/plugin_carbon_interpose_constants_mac.cc
@@ -0,0 +1,13 @@
+// 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.
+
+#include "chrome/common/plugin_carbon_interpose_constants_mac.h"
+
+namespace plugin_interpose_strings {
+
+const char kDYLDInsertLibrariesKey[] = "DYLD_INSERT_LIBRARIES";
+const char kInterposeLibraryPath[] =
+    "@executable_path/plugin_carbon_interpose.dylib";
+
+}  // namespace plugin_interpose_strings