Look closer at the components of vfsfilenames that are used filenames.

content/browser/database_util_unittest.cc

 // 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 "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/database/database_util.h"
 #include "webkit/common/database/database_identifier.h"
 
@@ skipping 26 matching lines @@
 static void TestValidOriginIdentifier(bool expected_result,
                                       const std::string& id) {
   EXPECT_EQ(expected_result,
             DatabaseUtil::IsValidOriginIdentifier(id));
 }
 
 namespace content {
 
 // Test DatabaseUtil::CrackVfsFilePath on various inputs.
 TEST(DatabaseUtilTest, CrackVfsFilePathTest) {
-  TestVfsFilePath(true, "origin/#", "origin", "", "");
-  TestVfsFilePath(true, "origin/#suffix", "origin", "", "suffix");
-  TestVfsFilePath(true, "origin/db_name#", "origin", "db_name", "");
-  TestVfsFilePath(true, "origin/db_name#suffix", "origin", "db_name", "suffix");
-  TestVfsFilePath(false, "origindb_name#");
-  TestVfsFilePath(false, "origindb_name#suffix");
-  TestVfsFilePath(false, "origin/db_name");
-  TestVfsFilePath(false, "origin#db_name/suffix");
+  TestVfsFilePath(true, "http_origin_0/#", "http_origin_0", "", "");
+  TestVfsFilePath(true,
+      "http_origin_0/#suffix", "http_origin_0", "", "suffix");
+  TestVfsFilePath(true,
+      "http_origin_0/db_name#", "http_origin_0", "db_name", "");
+  TestVfsFilePath(true,
+      "http_origin_0/db_name#suffix", "http_origin_0", "db_name", "suffix");
+  TestVfsFilePath(false, "http_origin_0db_name#");
+  TestVfsFilePath(false, "http_origin_0db_name#suffix");
+  TestVfsFilePath(false, "http_origin_0/db_name");
+  TestVfsFilePath(false, "http_origin_0#db_name/suffix");
   TestVfsFilePath(false, "/db_name#");
   TestVfsFilePath(false, "/db_name#suffix");
 }
 
 TEST(DatabaseUtilTest, OriginIdentifiers) {
   const GURL kFileOrigin(GURL("file:///").GetOrigin());
   const GURL kHttpOrigin(GURL("http://bar/").GetOrigin());
   EXPECT_EQ(kFileOrigin, ToAndFromOriginIdentifier(kFileOrigin));
   EXPECT_EQ(kHttpOrigin, ToAndFromOriginIdentifier(kHttpOrigin));
 }
 
 TEST(DatabaseUtilTest, IsValidOriginIdentifier) {
   TestValidOriginIdentifier(true,  "http_bar_0");
-  TestValidOriginIdentifier(true,  "");
+  TestValidOriginIdentifier(false,  "");
   TestValidOriginIdentifier(false, "bad..id");
   TestValidOriginIdentifier(false, "bad/id");
   TestValidOriginIdentifier(false, "bad\\id");
+  TestValidOriginIdentifier(false, "http_bad:0_2");
   TestValidOriginIdentifier(false, std::string("bad\0id", 6));
 }
 
 }  // namespace content