Implement ManifestParser in content/.

content/public/common/manifest.cc

Index: content/public/common/manifest.cc
diff --git a/content/public/common/manifest.cc b/content/public/common/manifest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b10b940094317d718c3aa8931943fb4c38456b76
--- /dev/null
+++ b/content/public/common/manifest.cc
@@ -0,0 +1,19 @@
+// Copyright 2014 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 "content/public/common/manifest.h"
+
+namespace content {
+
+Manifest::Manifest() {
+}
+
+Manifest::~Manifest() {
+}
+
+bool Manifest::IsEmpty() const {
+  return name.is_null() && short_name.is_null();
+}
+
+} // namespace content