contacts: Strip Unicode byte order marks from strings.

chrome/test/data/chromeos/gdata/contacts/feed_unicode.json

 {
-   "_comment": "This feed contains a contact with a missing photo.",
    "encoding": "UTF-8",
    "feed": {
       "author": [ {
          "email": {
             "$t": "test.user@gmail.com"
          },
          "name": {
             "$t": "Test User"
          }
       } ],
       "category": [ {
          "scheme": "http://schemas.google.com/g/2005#kind",
          "term": "http://schemas.google.com/contact/2008#contact"
       } ],
       "entry": [ {
          "app$edited": {
             "$t": "2012-06-04T15:53:36.023Z",
             "xmlns$app": "http://www.w3.org/2007/app"
          },
          "category": [ {
             "scheme": "http://schemas.google.com/g/2005#kind",
             "term": "http://schemas.google.com/contact/2008#contact"
          } ],
          "gContact$groupMembershipInfo": [ {
             "deleted": "false",
-            "href": "http://www.google.com/m8/feeds/groups/joe.contact%40gmail.com/base/6"
-         } ],
-         "gContact$website": [ {
-            "href": "http://www.google.com/",
-            "rel": "profile"
-         } ],
-         "gd$email": [ {
-            "address": "joe.contact@gmail.com",
-            "primary": "true",
-            "rel": "http://schemas.google.com/g/2005#other"
+            "href": "http://www.google.com/m8/feeds/groups/test.user%40gmail.com/base/6"
          } ],
          "gd$etag": "\"R345ezVSLit7I2A9WhVbGE8PRQU.\"",
          "gd$name": {
             "gd$familyName": {
-               "$t": "Contact"
+               "$t": "\u5B89\u85E4"
             },
             "gd$fullName": {
-               "$t": "Joe Contact"
+               "$t": "\u5B89\u85E4 \u5FE0\u96C4"
             },
             "gd$givenName": {
-               "$t": "Joe"
+               "$t": "\u5FE0\u96C4"
             }
          },
-         "gd$structuredPostalAddress": [ {
-            "gd$city": {
-               "$t": "San Francisco"
-            },
-            "gd$formattedAddress": {
-               "$t": "345 Spear St\nSan Francisco CA 94105"
-            },
-            "gd$postcode": {
-               "$t": "94105"
-            },
-            "gd$region": {
-               "$t": "CA"
-            },
-            "gd$street": {
-               "$t": "345 Spear St"
-            },
-            "rel": "http://schemas.google.com/g/2005#home"
-         } ],
          "id": {
             "$t":
             "http://example.com/1"
          },
-         "link": [ {
-            "href": "https://example.com/nonexistent_file.png",
-            "rel": "http://schemas.google.com/contacts/2008/rel#photo",
-            "gd$etag": "\"JyYuJkIbWit7I2BpLHxUTDpzI1FGf2IjUjc.\"",
-            "type": "image/*"
-         }, {
-            "href":
-            "https://example.com/1",
-            "rel": "self",
-            "type": "application/atom+xml"
-         }, {
-            "href":
-            "https://example.com/1",
-            "rel": "edit",
-            "type": "application/atom+xml"
-         } ],
          "title": {
-            "$t": "Joseph Contact"
+            "$t": "\u5B89\u85E4 \u5FE0\u96C4"
          },
          "updated": {
             "$t": "2012-06-04T15:53:36.023Z"
          }
+      }, {
+         "app$edited": {
+            "$t": "2012-06-21T16:20:13.208Z",
+            "xmlns$app": "http://www.w3.org/2007/app"
+         },
+         "category": [ {
+            "scheme": "http://schemas.google.com/g/2005#kind",
+            "term": "http://schemas.google.com/contact/2008#contact"
+         } ],
+         "gContact$groupMembershipInfo": [ {
+            "deleted": "false",
+            "href": "http://www.google.com/m8/feeds/groups/test.user%40gmail.com/base/6"
+         } ],
+         "gd$etag": "\"Qnw7cDVSLCt7I2A9WhJTEkQPQQU.\"",
+         "gd$name": {
+            "gd$familyName": {
+               "$t": "Smith\uFEFF"
+            },
+            "gd$fullName": {
+               "$t": "\uFEFFBob\uFEFF\uFEFF Smith\uFEFF"
+            },
+            "gd$givenName": {
+               "$t": "\uFEFFBob\uFEFF\uFEFF"
+            }
+         },
+         "id": {
+            "$t": "http://example.com/2"
+         },
+         "title": {
+            "$t": "\uFEFFBob\uFEFF\uFEFF Smith\uFEFF"
+         },
+         "updated": {
+            "$t": "2012-06-21T16:20:13.208Z"
+         }
       } ],
       "gd$etag": "W/\"CEUHSXg8fSt7I2A9WhJSEEw.\"",
       "generator": {
          "$t": "Contacts",
          "uri": "http://www.google.com/m8/feeds",
          "version": "1.0"
       },
       "id": {
          "$t": "test.user@gmail.com"
       },
@@ skipping 34 matching lines @@
          "$t": "2012-06-29T23:23:58.675Z"
       },
       "xmlns": "http://www.w3.org/2005/Atom",
       "xmlns$batch": "http://schemas.google.com/gdata/batch",
       "xmlns$gContact": "http://schemas.google.com/contact/2008",
       "xmlns$gd": "http://schemas.google.com/g/2005",
       "xmlns$openSearch": "http://a9.com/-/spec/opensearch/1.1/"
    },
    "version": "1.0"
 }