Update gtest to 786564fa4a3c, switch to googlemock in gtest

base/scoped_generic_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 <vector>
 
 #include "base/scoped_generic.h"
-#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest/googletest/include/gtest/gtest.h"
 
 namespace base {
 
 namespace {
 
 struct IntTraits {
   IntTraits(std::vector<int>* freed) : freed_ints(freed) {}
 
   static int InvalidValue() {
     return -1;
@@ skipping 142 matching lines @@
 
   // Implicit conversion to bool shouldn't work.
   /*{
     ScopedInt a(kFirst, traits);
     bool result = a;
   }*/
 }
 #endif
 
 }  // namespace base