convert //gpu to std::unique_ptr

gpu/ipc/client/gpu_memory_buffer_impl_shared_memory_unittest.cc

 // Copyright 2015 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 <memory>
+
 #include "gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.h"
 #include "gpu/ipc/client/gpu_memory_buffer_impl_test_template.h"
 
 namespace gpu {
 namespace {
 
 INSTANTIATE_TYPED_TEST_CASE_P(GpuMemoryBufferImplSharedMemory,
                               GpuMemoryBufferImplTest,
                               GpuMemoryBufferImplSharedMemory);
 
 void BufferDestroyed(bool* destroyed, const gpu::SyncToken& sync_token) {
   *destroyed = true;
 }
 
 TEST(GpuMemoryBufferImplSharedMemoryTest, Create) {
   const gfx::GpuMemoryBufferId kBufferId(1);
 
   gfx::Size buffer_size(8, 8);
 
   for (auto format : gfx::GetBufferFormatsForTesting()) {
     bool destroyed = false;
-    scoped_ptr<GpuMemoryBufferImplSharedMemory> buffer(
+    std::unique_ptr<GpuMemoryBufferImplSharedMemory> buffer(
         GpuMemoryBufferImplSharedMemory::Create(
             kBufferId, buffer_size, format,
             base::Bind(&BufferDestroyed, base::Unretained(&destroyed))));
     ASSERT_TRUE(buffer);
     EXPECT_EQ(buffer->GetFormat(), format);
 
     // Check if destruction callback is executed when deleting the buffer.
     buffer.reset();
     ASSERT_TRUE(destroyed);
   }
 }
 
 }  // namespace
 }  // namespace gpu