Update SupportsUserData uses with unique_ptr.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index c31ae0acb3c80c5cbf7ce16e0993dc5f97b93e27..addbf5984a52545740c4f9952fcc63ec25586161 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -1215,9 +1215,10 @@ void ChromeContentBrowserClient::RenderProcessWillLaunch(
       new WebRtcLoggingHandlerHost(id, profile,
                                    g_browser_process->webrtc_log_uploader());
   host->AddFilter(webrtc_logging_handler_host);
-  host->SetUserData(WebRtcLoggingHandlerHost::kWebRtcLoggingHandlerHostKey,
-                    new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
-                        webrtc_logging_handler_host));
+  host->SetUserData(
+      WebRtcLoggingHandlerHost::kWebRtcLoggingHandlerHostKey,
+      base::MakeUnique<base::UserDataAdapter<WebRtcLoggingHandlerHost>>(
+          webrtc_logging_handler_host));
 
   // The audio manager outlives the host, so it's safe to hand a raw pointer to
   // it to the AudioDebugRecordingsHandler, which is owned by the host.
@@ -1225,7 +1226,7 @@ void ChromeContentBrowserClient::RenderProcessWillLaunch(
       new AudioDebugRecordingsHandler(profile, media::AudioManager::Get());
   host->SetUserData(
       AudioDebugRecordingsHandler::kAudioDebugRecordingsHandlerKey,
-      new base::UserDataAdapter<AudioDebugRecordingsHandler>(
+      base::MakeUnique<base::UserDataAdapter<AudioDebugRecordingsHandler>>(
           audio_debug_recordings_handler));
 
 #endif