Fix a weeny leak in the Host plugin.

BUG=
TEST=

Review URL: http://codereview.chromium.org/7617001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96418 0039d316-1c4b-4281-b951-d872f2087c98

remoting/host/plugin/host_script_object.cc

@@ -562,9 +562,10 @@ void HostNPScriptObject::LogDebugInfo(const std::string& message) {
   }
 
   if (log_debug_info_func_) {
-    NPVariant* arg = new NPVariant();
-    STRINGZ_TO_NPVARIANT(message.c_str(), *arg);
-    bool is_good = InvokeAndIgnoreResult(log_debug_info_func_, arg, 1);
+    NPVariant log_message;
+    STRINGZ_TO_NPVARIANT(message.c_str(), log_message);
+    bool is_good = InvokeAndIgnoreResult(log_debug_info_func_,
+                                         &log_message, 1);
     LOG_IF(ERROR, !is_good) << "LogDebugInfo failed";
   }
 }