Move some blob tests next to the files they cover.

storage/browser/crbug653751_unittest.cc

Index: storage/browser/crbug653751_unittest.cc
diff --git a/storage/browser/crbug653751_unittest.cc b/storage/browser/crbug653751_unittest.cc
deleted file mode 100644
index 44b86fb6ee43c98f6c407e09c0da63c91e4caa72..0000000000000000000000000000000000000000
--- a/storage/browser/crbug653751_unittest.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2016 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 "testing/gtest/include/gtest/gtest.h"
-
-// This file will be removed when the real storage unit tests are migrated over
-// from content_unittests to storage_unittests. Until then, it is needed to keep
-// the win_clang builder happy. See http://crbug.com/653751
-
-TEST(StorageUnittests, EmptyTest) {
-
-}