Update gtest to 786564fa4a3c, switch to googlemock in gtest

base/md5_unittest.cc

 // Copyright (c) 2011 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 <string.h>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/md5.h"
-#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest/googletest/include/gtest/gtest.h"
 
 namespace base {
 
 TEST(MD5, DigestToBase16) {
   MD5Digest digest;
 
   int data[] = {
     0xd4, 0x1d, 0x8c, 0xd9,
     0x8f, 0x00, 0xb2, 0x04,
     0xe9, 0x80, 0x09, 0x98,
@@ skipping 221 matching lines @@
 
   // The header and full digest pairs are the same, and they aren't the same as
   // each other.
   EXPECT_TRUE(!memcmp(&header_digest, &check_header_digest,
                       sizeof(header_digest)));
   EXPECT_TRUE(!memcmp(&digest, &check_full_digest, sizeof(digest)));
   EXPECT_TRUE(memcmp(&digest, &header_digest, sizeof(digest)));
 }
 
 }  // namespace base