mojo/public: Include gtest.h as "gtest/gtest.h", instead of via "absolute" path.

mojo/public/cpp/bindings/tests/validation_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 <stdio.h>
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
 
+#include "gtest/gtest.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
 #include "mojo/public/cpp/bindings/lib/connector.h"
 #include "mojo/public/cpp/bindings/lib/message_header_validator.h"
 #include "mojo/public/cpp/bindings/lib/router.h"
 #include "mojo/public/cpp/bindings/lib/validation_errors.h"
 #include "mojo/public/cpp/bindings/message.h"
 #include "mojo/public/cpp/bindings/tests/validation_test_input_parser.h"
 #include "mojo/public/cpp/bindings/tests/validation_util.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "mojo/public/cpp/test_support/test_support.h"
 #include "mojo/public/cpp/utility/run_loop.h"
 #include "mojo/public/interfaces/bindings/tests/validation_test_interfaces.mojom.h"
-#include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 
 using internal::MessageValidator;
 using internal::MessageValidatorList;
 using internal::ValidationError;
 using internal::ValidationErrorToString;
 
 namespace test {
 namespace {
@@ skipping 408 matching lines @@
       static_cast<StructWithEnum::EnumWithin>(2)));
   EXPECT_TRUE(StructWithEnum::EnumWithin_IsValidValue(
       static_cast<StructWithEnum::EnumWithin>(3)));
   EXPECT_FALSE(StructWithEnum::EnumWithin_IsValidValue(
       static_cast<StructWithEnum::EnumWithin>(4)));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo