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

mojo/public/cpp/bindings/tests/array_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 "gtest/gtest.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "mojo/public/cpp/bindings/lib/array_internal.h"
 #include "mojo/public/cpp/bindings/lib/array_serialization.h"
 #include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
 #include "mojo/public/cpp/bindings/tests/container_test_util.h"
 #include "mojo/public/cpp/bindings/tests/iterator_test_util.h"
 #include "mojo/public/interfaces/bindings/tests/test_arrays.mojom.h"
 #include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h"
-#include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace test {
 namespace {
 
 using mojo::internal::Array_Data;
 using mojo::internal::ArrayValidateParams;
 using mojo::internal::FixedBufferForTesting;
 using mojo::internal::String_Data;
 
@@ skipping 791 matching lines @@
     EXPECT_EQ(1, array3[1]->x);
     EXPECT_EQ(2, array3[1]->y);
     EXPECT_EQ(3, array3[1]->width);
     EXPECT_EQ(4, array3[1]->height);
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo