Update gtest to 786564fa4a3c, switch to googlemock in gtest

base/containers/hash_tables_unittest.cc

 // Copyright 2013 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/containers/hash_tables.h"
 
 #include <stdint.h>
 #include <string>
 
 #include "base/basictypes.h"
-#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest/googletest/include/gtest/gtest.h"
 
 namespace {
 
 class HashPairTest : public testing::Test {
 };
 
 #define INSERT_PAIR_TEST(Type, value1, value2) \
   { \
     Type pair(value1, value2); \
     base::hash_map<Type, int> map; \
@@ skipping 37 matching lines @@
   std::string str1("hello");
   std::string str2("hello");
   base::hash_set<const char*> set;
 
   set.insert(str1.c_str());
   EXPECT_EQ(1u, set.count(str1.c_str()));
   EXPECT_EQ(0u, set.count(str2.c_str()));
 }
 
 }  // namespace