Make FileSystemURL::ToGURL consistent with DOMFileSystemBase.

content/browser/fileapi/file_system_url_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 "webkit/browser/fileapi/file_system_url.h"
 
 #include "base/files/file_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 #include "webkit/common/fileapi/file_system_types.h"
@@ skipping 155 matching lines @@
 }
 
 TEST(FileSystemURLTest, ToGURL) {
   EXPECT_TRUE(FileSystemURL().ToGURL().is_empty());
   const char* kTestURL[] = {
     "filesystem:http://chromium.org/persistent/directory/file0",
     "filesystem:http://chromium.org/temporary/directory/file1",
     "filesystem:http://chromium.org/isolated/directory/file2",
     "filesystem:http://chromium.org/external/directory/file2",
     "filesystem:http://chromium.org/test/directory/file3",
+    "filesystem:http://chromium.org/test/plus%2B/space%20/colon%3A",
   };
 
   for (size_t i = 0; i < arraysize(kTestURL); ++i) {
     EXPECT_EQ(
         kTestURL[i],
         FileSystemURL::CreateForTest(GURL(kTestURL[i])).ToGURL().spec());
   }
 }
 
 TEST(FileSystemURLTest, DebugString) {
@@ skipping 25 matching lines @@
       base::FilePath::FromUTF8Unsafe("a"));
 
   EXPECT_TRUE(url_foo_temp_a.IsInSameFileSystem(url_foo_temp_a));
   EXPECT_TRUE(url_foo_temp_a.IsInSameFileSystem(url_foo_temp_b));
   EXPECT_FALSE(url_foo_temp_a.IsInSameFileSystem(url_foo_perm_a));
   EXPECT_FALSE(url_foo_temp_a.IsInSameFileSystem(url_bar_temp_a));
   EXPECT_FALSE(url_foo_temp_a.IsInSameFileSystem(url_bar_perm_a));
 }
 
 }  // namespace content