Switch to using scoped_ptr with UserData

content/browser/appcache/appcache_interceptor.cc

Index: content/browser/appcache/appcache_interceptor.cc
diff --git a/content/browser/appcache/appcache_interceptor.cc b/content/browser/appcache/appcache_interceptor.cc
index 8b916091dc7fcd9b23c5d6013c26e06eee851078..7d73fa0e9cad1ff526665a047ebefe9a5388a514 100644
--- a/content/browser/appcache/appcache_interceptor.cc
+++ b/content/browser/appcache/appcache_interceptor.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/appcache/appcache_interceptor.h"
 
+#include <utility>
+
 #include "base/debug/crash_logging.h"
 #include "content/browser/appcache/appcache_backend_impl.h"
 #include "content/browser/appcache/appcache_host.h"
@@ -21,9 +23,10 @@ static int kHandlerKey;  // Value is not used.
 
 namespace content {
 
-void AppCacheInterceptor::SetHandler(net::URLRequest* request,
-                                     AppCacheRequestHandler* handler) {
-  request->SetUserData(&kHandlerKey, handler);  // request takes ownership
+void AppCacheInterceptor::SetHandler(
+    net::URLRequest* request,
+    std::unique_ptr<AppCacheRequestHandler> handler) {
+  request->SetUserData(&kHandlerKey, std::move(handler));
 }
 
 AppCacheRequestHandler* AppCacheInterceptor::GetHandler(
@@ -61,10 +64,10 @@ void AppCacheInterceptor::SetExtraRequestInfoForHost(
     ResourceType resource_type,
     bool should_reset_appcache) {
   // Create a handler for this request and associate it with the request.
-  AppCacheRequestHandler* handler =
+  std::unique_ptr<AppCacheRequestHandler> handler =
       host->CreateRequestHandler(request, resource_type, should_reset_appcache);
   if (handler)
-    SetHandler(request, handler);
+    SetHandler(request, std::move(handler));
 }
 
 void AppCacheInterceptor::GetExtraResponseInfo(net::URLRequest* request,