[DevTools] Do not filter manually entered commands in console.

Source/devtools/front_end/ConsoleModel.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 237 matching lines @@
     DirXML: "dirxml",
     Table: "table",
     Trace: "trace",
     Clear: "clear",
     StartGroup: "startGroup",
     StartGroupCollapsed: "startGroupCollapsed",
     EndGroup: "endGroup",
     Assert: "assert",
     Result: "result",
     Profile: "profile",
-    ProfileEnd: "profileEnd"
+    ProfileEnd: "profileEnd",
+    Command: "command"
 }
 
 WebInspector.ConsoleMessage.MessageLevel = {
     Log: "log",
     Info: "info",
     Warning: "warning",
     Error: "error",
     Debug: "debug"
 }
 
@@ skipping 42 matching lines @@
     {
         if (!WebInspector.settings.preserveConsoleLog.get())
             this._console.clearMessages();
     }
 }
 
 /**
  * @type {?WebInspector.ConsoleModel}
  */
 WebInspector.console = null;