Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

chrome/browser/android/service_tab_launcher.cc

Index: chrome/browser/android/service_tab_launcher.cc
diff --git a/chrome/browser/android/service_tab_launcher.cc b/chrome/browser/android/service_tab_launcher.cc
index 92a8a1a2b9bf88fa570dd0c22f04714a6c702eea..d33e6213472e629c92c876a3ab80db27fffb4978 100644
--- a/chrome/browser/android/service_tab_launcher.cc
+++ b/chrome/browser/android/service_tab_launcher.cc
@@ -7,6 +7,7 @@
 #include "base/android/context_utils.h"
 #include "base/android/jni_string.h"
 #include "base/callback.h"
+#include "base/memory/ptr_util.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/web_contents.h"
@@ -63,7 +64,7 @@ void ServiceTabLauncher::LaunchTab(content::BrowserContext* browser_context,
   ScopedJavaLocalRef<jobject> post_data;
 
   int request_id = tab_launched_callbacks_.Add(
-      new TabLaunchedCallback(callback));
+      base::MakeUnique<TabLaunchedCallback>(callback));
   DCHECK_GE(request_id, 1);
 
   Java_ServiceTabLauncher_launchTab(env, GetApplicationContext(), request_id,