Bring up of the metadata accessors for enhanced bookmarks.

components/enhanced_bookmarks.gypi

Index: components/enhanced_bookmarks.gypi
diff --git a/components/enhanced_bookmarks.gypi b/components/enhanced_bookmarks.gypi
index 102160b8e69400d10a98e1142a148cda4e8f03ae..f5e41ecd4aa27d9a2ce6846711e3574369b54708 100644
--- a/components/enhanced_bookmarks.gypi
+++ b/components/enhanced_bookmarks.gypi
@@ -15,6 +15,7 @@
         '../sql/sql.gyp:sql',
         '../ui/gfx/gfx.gyp:gfx',
         '../url/url.gyp:url_lib',
+        'enhanced_bookmarks_proto',
       ],
       'sources': [
         'enhanced_bookmarks/image_store.cc',
@@ -22,6 +23,8 @@
         'enhanced_bookmarks/image_store_util.cc',
         'enhanced_bookmarks/image_store_util.h',
         'enhanced_bookmarks/image_store_util_ios.mm',
+        'enhanced_bookmarks/metadata_accessor.cc',
+        'enhanced_bookmarks/metadata_accessor.h',
         'enhanced_bookmarks/persistent_image_store.cc',
         'enhanced_bookmarks/persistent_image_store.h',
       ],
@@ -48,5 +51,17 @@
         'enhanced_bookmarks/test_image_store.h',
       ],
     },
+    {
+      'target_name': 'enhanced_bookmarks_proto',
+      'type': 'static_library',
+      'sources': [
+        'enhanced_bookmarks/proto/metadata.proto',
+      ],
+      'variables': {
+        'proto_in_dir': './enhanced_bookmarks/proto',
+        'proto_out_dir': 'components/enhanced_bookmarks/proto',
+      },
+      'includes': [ '../build/protoc.gypi' ],
+    },
   ],
 }