Test GURL::spec() usage changes with DEPS rolled to the new version.

webkit/fileapi/file_system_util.cc

Index: webkit/fileapi/file_system_util.cc
diff --git a/webkit/fileapi/file_system_util.cc b/webkit/fileapi/file_system_util.cc
index 089e4e288d3f81cfcd298090117287a1528be2ab..cf99b77a633e80b7ab1551a940d3c750ff05ccd1 100644
--- a/webkit/fileapi/file_system_util.cc
+++ b/webkit/fileapi/file_system_util.cc
@@ -207,12 +207,14 @@ GURL GetOriginURLFromIdentifier(const std::string& origin_identifier) {
           UTF8ToUTF16(origin_identifier));
   GURL origin_url(web_security_origin.toString());
 
-  // We need this work-around for file:/// URIs as
-  // createFromDatabaseIdentifier returns empty origin_url for them.
-  if (origin_url.spec().empty() &&
-      origin_identifier.find("file__") == 0)
+  if (origin_url.is_valid())
+    return origin_url;
+  // Origin identifier for files start with 'file__', not with 'file:', thus
+  // GURL can't parse them correctly.
+  else if (origin_identifier.find("file__") == 0)
     return GURL("file:///");
-  return origin_url;
+  else
+    return GURL();
 }
 
 std::string GetFileSystemTypeString(FileSystemType type) {