Switch SupportsUserData uses to use unique_ptr.

chromecast/browser/android/cast_web_contents_activity.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 "chromecast/browser/android/cast_web_contents_activity.h"
 
+#include "base/memory/ptr_util.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/CastWebContentsActivity_jni.h"
 
 using base::android::JavaParamRef;
 using base::android::ScopedJavaGlobalRef;
 using base::android::ScopedJavaLocalRef;
 
 namespace chromecast {
 namespace shell {
 
@@ skipping 22 matching lines @@
 }
 
 // static
 CastWebContentsActivity* CastWebContentsActivity::Get(
     content::WebContents* web_contents) {
   DCHECK(web_contents);
   CastWebContentsActivity* instance = static_cast<CastWebContentsActivity*>(
       web_contents->GetUserData(kCastWebContentsActivityKey));
   if (!instance) {
     instance = new CastWebContentsActivity(web_contents);
-    web_contents->SetUserData(kCastWebContentsActivityKey, instance);
+    web_contents->SetUserData(kCastWebContentsActivityKey,
+                              base::WrapUnique(instance));
   }
   return instance;
 }
 
 CastWebContentsActivity::CastWebContentsActivity(
     content::WebContents* web_contents)
     : content_video_view_embedder_(ScopedJavaLocalRef<jobject>()) {}
 
 CastWebContentsActivity::~CastWebContentsActivity() {}
 
 ScopedJavaLocalRef<jobject>
 CastWebContentsActivity::GetContentVideoViewEmbedder() {
   return ScopedJavaLocalRef<jobject>(content_video_view_embedder_);
 }
 
 void CastWebContentsActivity::SetContentVideoViewEmbedder(
     const JavaParamRef<jobject>& content_video_view_embedder) {
   content_video_view_embedder_ =
       ScopedJavaGlobalRef<jobject>(content_video_view_embedder);
 }
 
 }  // namespace shell
 }  // namespace chromecast