Update gtest to 786564fa4a3c, switch to googlemock in gtest

base/stl_util_unittest.cc

 // Copyright 2012 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/stl_util.h"
 
 #include <set>
 
-#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest/googletest/include/gtest/gtest.h"
 
 namespace {
 
 // Used as test case to ensure the various base::STLXxx functions don't require
 // more than operators "<" and "==" on values stored in containers.
 class ComparableValue {
  public:
   explicit ComparableValue(int value) : value_(value) {}
 
   bool operator==(const ComparableValue& rhs) const {
@@ skipping 238 matching lines @@
   // const_cast<char*>(str->data()).
   std::string s1("abc");
   const std::string s2(s1);
   string_as_array(&s1)[1] = 'x';
   EXPECT_EQ("axc", s1);
   EXPECT_EQ("abc", s2);
 }
 
 }  // namespace
 }  // namespace base