Consolidate manifest handler registration.

chrome/common/extensions/chrome_manifest_handlers.h

Index: chrome/common/extensions/chrome_manifest_handlers.h
diff --git a/chrome/common/extensions/chrome_manifest_handlers.h b/chrome/common/extensions/chrome_manifest_handlers.h
new file mode 100644
index 0000000000000000000000000000000000000000..61303ee8e3fe19629485fa1eca07a5908baebfac
--- /dev/null
+++ b/chrome/common/extensions/chrome_manifest_handlers.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2013 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.
+
+#ifndef CHROME_COMMON_EXTENSIONS_CHROME_MANIFEST_HANDLERS_H_
+#define CHROME_COMMON_EXTENSIONS_CHROME_MANIFEST_HANDLERS_H_
+
+namespace extensions {
+
+// Registers all manifest handlers used in Chrome. Should be called
+// once in each process.
+void RegisterChromeManifestHandlers();
+
+}  // namespace extensions
+
+#endif  // CHROME_COMMON_EXTENSIONS_CHROME_MANIFEST_HANDLERS_H_