Replace scoped_ptr with std::unique_ptr in //ui

ui/gl/gl_image_shared_memory.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 "ui/gl/gl_image_shared_memory.h"
 
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
 #include "base/numerics/safe_math.h"
 #include "base/process/process_handle.h"
@@ skipping 43 matching lines @@
   // Minimize the amount of adress space we use but make sure offset is a
   // multiple of page size as required by MapAt().
   size_t memory_offset = offset % base::SysInfo::VMAllocationGranularity();
   size_t map_offset = base::SysInfo::VMAllocationGranularity() *
                       (offset / base::SysInfo::VMAllocationGranularity());
 
   checked_size += memory_offset;
   if (!checked_size.IsValid())
     return false;
 
-  scoped_ptr<base::SharedMemory> duped_shared_memory(
+  std::unique_ptr<base::SharedMemory> duped_shared_memory(
       new base::SharedMemory(duped_shared_memory_handle, true));
   if (!duped_shared_memory->MapAt(static_cast<off_t>(map_offset),
                                   checked_size.ValueOrDie())) {
     DVLOG(0) << "Failed to map shared memory.";
     return false;
   }
 
   if (!GLImageMemory::Initialize(
           static_cast<uint8_t*>(duped_shared_memory->memory()) + memory_offset,
           format, stride)) {
@@ skipping 28 matching lines @@
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                   static_cast<uint64_t>(size_in_bytes));
 
   auto guid = GetGenericSharedMemoryGUIDForTracing(process_tracing_id,
                                                    shared_memory_id_);
   pmd->CreateSharedGlobalAllocatorDump(guid);
   pmd->AddOwnershipEdge(dump->guid(), guid);
 }
 
 }  // namespace gl