Share link header parsing code between blink and content.

components/link_header_util/link_header_util.gyp

Index: components/link_header_util/link_header_util.gyp
diff --git a/components/link_header_util/link_header_util.gyp b/components/link_header_util/link_header_util.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..4ad5c7363cd3f4b60884a5f980fae2f53e6cb927
--- /dev/null
+++ b/components/link_header_util/link_header_util.gyp
@@ -0,0 +1,21 @@
+# Copyright 2016 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.
+
+{
+  'targets': [
+    {
+      # GN version: //components/link_header_util/link_header_util
+      'target_name': 'link_header_util',
+      'type': 'static_library',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../net/net.gyp:net',
+      ],
+      'sources': [
+        'link_header_util.cc',
+        'link_header_util.h',
+      ],
+    }
+  ],
+}