Update gtest to 786564fa4a3c, switch to googlemock in gtest

base/nix/xdg_util_unittest.cc

 // Copyright (c) 2010 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/nix/xdg_util.h"
 
 #include "base/environment.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest/googlemock/include/gmock/gmock.h"
+#include "testing/gtest/googletest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::Return;
 using ::testing::SetArgumentPointee;
 using ::testing::StrEq;
 
 namespace base {
 namespace nix {
 
 namespace {
@@ skipping 113 matching lines @@
   MockEnvironment getter;
   EXPECT_CALL(getter, GetVar(_, _)).WillRepeatedly(Return(false));
   EXPECT_CALL(getter, GetVar(StrEq(kXdgDesktop), _))
       .WillOnce(DoAll(SetArgumentPointee<1>(kXdgDesktopUnity), Return(true)));
 
   EXPECT_EQ(DESKTOP_ENVIRONMENT_UNITY, GetDesktopEnvironment(&getter));
 }
 
 }  // namespace nix
 }  // namespace base