Re-write many calls to WrapUnique() with MakeUnique()

cc/trees/threaded_channel.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 "cc/trees/threaded_channel.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 269 matching lines @@
 }
 
 void ThreadedChannel::InitializeImplOnImpl(
     CompletionEvent* completion,
     LayerTreeHost* layer_tree_host,
     std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
   DCHECK(IsImplThread());
   impl().proxy_impl =
       CreateProxyImpl(this, layer_tree_host, task_runner_provider_,
                       std::move(external_begin_frame_source));
-  impl().proxy_impl_weak_factory = base::WrapUnique(
-      new base::WeakPtrFactory<ProxyImpl>(impl().proxy_impl.get()));
+  impl().proxy_impl_weak_factory =
+      base::MakeUnique<base::WeakPtrFactory<ProxyImpl>>(
+          impl().proxy_impl.get());
   proxy_impl_weak_ptr_ = impl().proxy_impl_weak_factory->GetWeakPtr();
   completion->Signal();
 }
 
 void ThreadedChannel::CloseImplOnImpl(CompletionEvent* completion) {
   DCHECK(IsImplThread());
 
   // We must destroy the factory and ensure that the ProxyImpl weak pointers are
   // invalidated before destroying proxy_impl.
   impl().proxy_impl_weak_factory.reset();
@@ skipping 47 matching lines @@
 
 ThreadedChannel::MainThreadOnly::~MainThreadOnly() {}
 
 ThreadedChannel::CompositorThreadOnly::CompositorThreadOnly(
     base::WeakPtr<ProxyMain> proxy_main_weak_ptr)
     : proxy_main_weak_ptr(proxy_main_weak_ptr) {}
 
 ThreadedChannel::CompositorThreadOnly::~CompositorThreadOnly() {}
 
 }  // namespace cc