Workaround a problem where clang and gcc behavior wrt the creation

ppapi/native_client/tests/ppapi_simple_tests/file.cc

Index: ppapi/native_client/tests/ppapi_simple_tests/file.cc
===================================================================
--- ppapi/native_client/tests/ppapi_simple_tests/file.cc	(revision 102105)
+++ ppapi/native_client/tests/ppapi_simple_tests/file.cc	(working copy)
@@ -144,7 +144,7 @@
   }
 
   void OpenFile() {
-    file_ref_ = new pp::FileRef(response_info_->GetBodyAsFileRef());
+    file_ref_ = new pp::FileRef(loader_.GetResponseInfo().GetBodyAsFileRef());
     CHECK(!file_ref_->is_null());
 
     file_io_ = new  pp::FileIO(instance_);
@@ -183,10 +183,9 @@
   static void OpenURLCompleteCallback(void* thiz, int32_t result) {
     ReaderStreamAsFile* reader = static_cast<ReaderStreamAsFile*>(thiz);
 
-    reader->response_info_ =
-      new pp::URLResponseInfo(reader->loader_.GetResponseInfo());
-    CHECK(!reader->response_info_->is_null());
-    int32_t status_code = reader->response_info_->GetStatusCode();
+    pp::URLResponseInfo response_info(reader->loader_.GetResponseInfo());
+    CHECK(!response_info.is_null());
+    int32_t status_code = response_info.GetStatusCode();
     if (status_code != 200) {
       reader->Message("Error: OpenURLCompleteCallback unexpected status code");
       return;