Convert //gin to use std::unique_ptr

gin/converter_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 "gin/converter.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
 #include "gin/public/isolate_holder.h"
 #include "gin/test/v8_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "v8/include/v8.h"
 
 namespace gin {
 
 using v8::Array;
 using v8::Boolean;
 using v8::HandleScope;
@@ skipping 100 matching lines @@
   EXPECT_TRUE(maybe.ToLocal(&js_value));
   Local<Array> js_array2 = Local<Array>::Cast(js_value);
   EXPECT_EQ(3u, js_array2->Length());
   for (size_t i = 0; i < expected.size(); ++i) {
     EXPECT_TRUE(Integer::New(instance_->isolate(), expected[i])
                     ->StrictEquals(js_array2->Get(static_cast<int>(i))));
   }
 }
 
 }  // namespace gin