[DevTools] Teach MediaQueryInspector about disabling models while profiling.

Source/devtools/front_end/sdk/CSSStyleModel.js

 /*
  * Copyright (C) 2010 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 66 matching lines @@
     MediaQueryResultChanged: "MediaQueryResultChanged",
 }
 
 WebInspector.CSSStyleModel.MediaTypes = ["all", "braille", "embossed", "handheld", "print", "projection", "screen", "speech", "tty", "tv"];
 
 WebInspector.CSSStyleModel.prototype = {
     suspendModel: function()
     {
         this._agent.disable();
         this._isEnabled = false;
-        this._resetStyleSheets();
     },
 
     resumeModel: function()
     {
+        this._resetStyleSheets();
         this._agent.enable(this._wasEnabled.bind(this));
     },
 
     /**
      * @param {function(!Array.<!WebInspector.CSSMedia>)} userCallback
      */
     getMediaQueries: function(userCallback)
     {
         /**
          * @param {?Protocol.Error} error
@@ skipping 1718 matching lines @@
             // The loader has been reset.
             if (!callbacks)
                 return;
 
             delete this._nodeIdToCallbackData[nodeId];
             for (var i = 0; i < callbacks.length; ++i)
                 callbacks[i](computedStyle);
         }
     }
 }