PPAPI: Make V8VarConverter longer-lived

content/renderer/pepper/v8_var_converter.h

Index: content/renderer/pepper/v8_var_converter.h
diff --git a/content/renderer/pepper/v8_var_converter.h b/content/renderer/pepper/v8_var_converter.h
index 77687e464f78783ca5d543049e609e65143f0ffb..c03701d4c71cd4f6160af5e2f5e426f13ed18a4d 100644
--- a/content/renderer/pepper/v8_var_converter.h
+++ b/content/renderer/pepper/v8_var_converter.h
@@ -27,7 +27,6 @@ class CONTENT_EXPORT V8VarConverter {
     kDisallowObjectVars,
     kAllowObjectVars
   };
-  explicit V8VarConverter(PP_Instance instance);
   V8VarConverter(PP_Instance instance, AllowObjectVars object_vars_allowed);
 
   // Constructor for testing.
@@ -84,9 +83,6 @@ class CONTENT_EXPORT V8VarConverter {
   // Whether or not to support conversion to PP_VARTYPE_OBJECT.
   AllowObjectVars object_vars_allowed_;
 
-  // The message loop to run the callback to |FromV8Value| from.
-  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
-
   // The converter to use for converting V8 vars to resources.
   scoped_ptr<ResourceConverter> resource_converter_;