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

chrome/browser/metrics/subprocess_metrics_provider.cc

 // Copyright 2016 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 "chrome/browser/metrics/subprocess_metrics_provider.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 142 matching lines @@
 void SubprocessMetricsProvider::RenderProcessReady(
     content::RenderProcessHost* host) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   // If the render-process-host passed a persistent-memory-allocator to the
   // renderer process, extract it and register it here.
   std::unique_ptr<base::SharedPersistentMemoryAllocator> allocator =
       host->TakeMetricsAllocator();
   if (allocator) {
     RegisterSubprocessAllocator(
-        host->GetID(),
-        WrapUnique(new base::PersistentHistogramAllocator(
-            std::move(allocator))));
+        host->GetID(), base::MakeUnique<base::PersistentHistogramAllocator>(
+                           std::move(allocator)));
   }
 }
 
 void SubprocessMetricsProvider::RenderProcessExited(
     content::RenderProcessHost* host,
     base::TerminationStatus status,
     int exit_code) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   DeregisterSubprocessAllocator(host->GetID());
@@ skipping 22 matching lines @@
     return nullptr;
 
   std::unique_ptr<base::SharedPersistentMemoryAllocator> allocator =
       host->TakeMetricsAllocator();
   if (!allocator)
     return nullptr;
 
   return base::MakeUnique<base::PersistentHistogramAllocator>(
       std::move(allocator));
 }