ppapi: Use base::MessageLoop.

ppapi/proxy/ppb_var_deprecated_proxy.cc

Index: ppapi/proxy/ppb_var_deprecated_proxy.cc
diff --git a/ppapi/proxy/ppb_var_deprecated_proxy.cc b/ppapi/proxy/ppb_var_deprecated_proxy.cc
index 2513a859609469f7fd1abb32ee4fe5be62f43cb6..58818d6b5cd33e4ec46984674185ef2d18246248 100644
--- a/ppapi/proxy/ppb_var_deprecated_proxy.cc
+++ b/ppapi/proxy/ppb_var_deprecated_proxy.cc
@@ -392,10 +392,11 @@ void PPB_Var_Deprecated_Proxy::OnMsgReleaseObject(int64 object_id) {
   // spurious warning).
   // TODO(piman): See if we can fix the IPC code to enforce strict ordering, and
   // then remove this.
-  MessageLoop::current()->PostNonNestableTask(FROM_HERE,
+  base::MessageLoop::current()->PostNonNestableTask(
+      FROM_HERE,
       RunWhileLocked(base::Bind(&PPB_Var_Deprecated_Proxy::DoReleaseObject,
-                     task_factory_.GetWeakPtr(),
-                     object_id)));
+                                task_factory_.GetWeakPtr(),
+                                object_id)));
 }
 
 void PPB_Var_Deprecated_Proxy::OnMsgHasProperty(