Switch SupportsUserData uses to use unique_ptr.

extensions/browser/guest_view/web_view/web_view_content_script_manager.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 "extensions/browser/guest_view/web_view/web_view_content_script_manager.h"
 
+#include "base/memory/ptr_util.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "extensions/browser/declarative_user_script_manager.h"
 #include "extensions/browser/declarative_user_script_master.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/guest_view/web_view/web_view_constants.h"
 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
@@ skipping 12 matching lines @@
 
 WebViewContentScriptManager* WebViewContentScriptManager::Get(
     content::BrowserContext* browser_context) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   WebViewContentScriptManager* manager =
       static_cast<WebViewContentScriptManager*>(browser_context->GetUserData(
           webview::kWebViewContentScriptManagerKeyName));
   if (!manager) {
     manager = new WebViewContentScriptManager(browser_context);
     browser_context->SetUserData(webview::kWebViewContentScriptManagerKeyName,
-                                 manager);
+                                 base::WrapUnique(manager));
   }
   return manager;
 }
 
 void WebViewContentScriptManager::AddContentScripts(
     int embedder_process_id,
     content::RenderFrameHost* render_frame_host,
     int view_instance_id,
     const HostID& host_id,
     std::unique_ptr<UserScriptList> scripts) {
@@ skipping 192 matching lines @@
 
 void WebViewContentScriptManager::RunCallbacksIfReady() {
   if (user_script_loader_observer_.IsObservingSources())
     return;
   for (auto& callback : pending_scripts_loading_callbacks_)
     callback.Run();
   pending_scripts_loading_callbacks_.clear();
 }
 
 }  // namespace extensions