Update SupportsUserData uses with unique_ptr.

content/browser/android/java/gin_java_bridge_message_filter.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 "content/browser/android/java/gin_java_bridge_message_filter.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "content/browser/android/java/gin_java_bridge_dispatcher_host.h"
@@ skipping 76 matching lines @@
 // static
 scoped_refptr<GinJavaBridgeMessageFilter> GinJavaBridgeMessageFilter::FromHost(
     GinJavaBridgeDispatcherHost* host, bool create_if_not_exists) {
   RenderProcessHost* rph = host->web_contents()->GetRenderProcessHost();
   scoped_refptr<GinJavaBridgeMessageFilter> filter =
       base::UserDataAdapter<GinJavaBridgeMessageFilter>::Get(
           rph, kGinJavaBridgeMessageFilterKey);
   if (!filter && create_if_not_exists) {
     filter = new GinJavaBridgeMessageFilter();
     rph->AddFilter(filter.get());
-    rph->SetUserData(kGinJavaBridgeMessageFilterKey,
-                     new base::UserDataAdapter<GinJavaBridgeMessageFilter>(
-                         filter.get()));
+    rph->SetUserData(
+        kGinJavaBridgeMessageFilterKey,
+        base::MakeUnique<base::UserDataAdapter<GinJavaBridgeMessageFilter>>(
+            filter.get()));
   }
   return filter;
 }
 
 GinJavaBridgeDispatcherHost* GinJavaBridgeMessageFilter::FindHost() {
   base::AutoLock locker(hosts_lock_);
   auto iter = hosts_.find(current_routing_id_);
   if (iter != hosts_.end())
     return iter->second;
   // Not being able to find a host is OK -- we can receive messages from
@@ skipping 60 matching lines @@
 }
 
 // static
 void GinJavaBridgeMessageFilter::RemoveFilter(
     GinJavaBridgeDispatcherHost* host) {
   RenderProcessHost* rph = host->web_contents()->GetRenderProcessHost();
   rph->RemoveUserData(kGinJavaBridgeMessageFilterKey);
 }
 
 }  // namespace content