Update gtest to 786564fa4a3c, switch to googlemock in gtest

base/win/enum_variant_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 "base/win/enum_variant.h"
 
 #include "base/win/scoped_com_initializer.h"
-#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest/googletest/include/gtest/gtest.h"
 
 namespace base {
 namespace win {
 
 TEST(EnumVariantTest, EmptyEnumVariant) {
   ScopedCOMInitializer com_initializer;
 
   EnumVariant* ev = new EnumVariant(0);
   ev->AddRef();
 
@@ skipping 90 matching lines @@
 
   ULONG ev2_finalrefcount = ev2->Release();
   EXPECT_EQ(0, ev2_finalrefcount);
 
   ULONG ev_finalrefcount = ev->Release();
   EXPECT_EQ(0, ev_finalrefcount);
 }
 
 }  // namespace win
 }  // namespace base