Pepper: Use base::Callback in RequestNexeFd.

components/nacl/renderer/ppb_nacl_private_impl.cc

Index: components/nacl/renderer/ppb_nacl_private_impl.cc
diff --git a/components/nacl/renderer/ppb_nacl_private_impl.cc b/components/nacl/renderer/ppb_nacl_private_impl.cc
index 048130aea5346020ad58e8ac1c52ce4fe6b86efb..0336f64557885e16d8073b9334a411e79d49f087 100644
--- a/components/nacl/renderer/ppb_nacl_private_impl.cc
+++ b/components/nacl/renderer/ppb_nacl_private_impl.cc
@@ -587,6 +587,19 @@ PP_Bool PPIsNonSFIModeEnabled() {
   return PP_FromBool(IsNonSFIModeEnabled());
 }
 
+void GetNexeFdContinuation(scoped_refptr<ppapi::TrackedCallback> callback,
+                           PP_Bool* out_is_hit,
+                           PP_FileHandle* out_handle,
+                           int32_t pp_error,
+                           bool is_hit,
+                           PP_FileHandle handle) {
+  if (pp_error == PP_OK) {
+    *out_is_hit = PP_FromBool(is_hit);
+    *out_handle = handle;
+  }
+  callback->PostRun(pp_error);
+}
+
 int32_t GetNexeFd(PP_Instance instance,
                   const char* pexe_url,
                   uint32_t abi_version,
@@ -645,9 +658,7 @@ int32_t GetNexeFd(PP_Instance instance,
       GetRoutingID(instance),
       instance,
       cache_info,
-      is_hit,
-      handle,
-      enter.callback());
+      base::Bind(&GetNexeFdContinuation, enter.callback(), is_hit, handle));
 
   return enter.SetResult(PP_OK_COMPLETIONPENDING);
 }