Update the number of test folders after bug fixed

chrome/browser/media_galleries/fileapi/picasa_file_util_unittest.cc

 // Copyright 2013 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 <set>
 #include <string>
 #include <vector>
 
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
@@ skipping 492 matching lines @@
       new TestFolder("folder-many-files", test_date, "uid-both", 500, 500));
 
   SetupFolders(&test_folders, std::vector<AlbumInfo>(), AlbumImagesMap());
   VerifyFolderDirectoryList(test_folders);
 }
 
 TEST_F(PicasaFileUtilTest, ManyFolders) {
   ScopedVector<TestFolder> test_folders;
   base::Time test_date = base::Time::FromLocalExploded(test_date_exploded);
 
-  // TODO(tommycli): Turn number of test folders back up to 50 (or more) once
-  // https://codereview.chromium.org/15479003/ lands.
-  for (unsigned int i = 0; i < 25; ++i) {
+  for (unsigned int i = 0; i < 50; ++i) {
     base::Time date = test_date - base::TimeDelta::FromDays(i);
 
     test_folders.push_back(
         new TestFolder(base::StringPrintf("folder-%05d", i),
                        date,
                        base::StringPrintf("uid%05d", i), i % 5, i % 3));
   }
 
   SetupFolders(&test_folders, std::vector<AlbumInfo>(), AlbumImagesMap());
   VerifyFolderDirectoryList(test_folders);
@@ skipping 68 matching lines @@
   operation_runner()->CreateSnapshotFile(
       CreateURL(std::string(kPicasaDirAlbums) +
                 "/albumname 2013-04-16/mapped_name.jpg"),
       snapshot_callback);
   loop.Run();
   EXPECT_EQ(base::File::FILE_OK, error);
   EXPECT_EQ(image_path, platform_path_result);
 }
 
 }  // namespace picasa