Update SupportsUserData uses with unique_ptr.

content/browser/websockets/websocket_manager.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 "content/browser/websockets/websocket_manager.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/rand_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/storage_partition.h"
 
 namespace content {
 
 namespace {
@@ skipping 39 matching lines @@
 
   // Maintain a WebSocketManager per RenderProcessHost. While the instance of
   // WebSocketManager is allocated on the UI thread, it must only be used and
   // deleted from the IO thread.
 
   Handle* handle =
       static_cast<Handle*>(host->GetUserData(kWebSocketManagerKeyName));
   if (!handle) {
     handle = new Handle(
         new WebSocketManager(process_id, host->GetStoragePartition()));
-    host->SetUserData(kWebSocketManagerKeyName, handle);
+    host->SetUserData(kWebSocketManagerKeyName, base::WrapUnique(handle));
     host->AddObserver(handle);
   } else {
     DCHECK(handle->manager());
   }
 
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&WebSocketManager::DoCreateWebSocket,
                  base::Unretained(handle->manager()),
@@ skipping 152 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!url_request_context_getter_->GetURLRequestContext()) {
     context_destroyed_ = true;
     url_request_context_getter_ = nullptr;
     return;
   }
   url_request_context_getter_->AddObserver(this);
 }
 
 }  // namespace content