DevTools: Throttle Screencast on slow connections (Blink side)

Source/devtools/front_end/sdk/ResourceTreeModel.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 796 matching lines @@
     },
 
     scriptsEnabled: function(isEnabled)
     {
         WebInspector.settings.javaScriptDisabled.set(!isEnabled);
     },
 
     /**
      * @param {string} data
      * @param {!PageAgent.ScreencastFrameMetadata=} metadata
+     * @param {number=} frameNumber
      */
-    screencastFrame: function(data, metadata)
+    screencastFrame: function(data, metadata, frameNumber)
     {
-        this._resourceTreeModel.dispatchEventToListeners(WebInspector.ResourceTreeModel.EventTypes.ScreencastFrame, {data:data, metadata:metadata});
+        this._resourceTreeModel.dispatchEventToListeners(WebInspector.ResourceTreeModel.EventTypes.ScreencastFrame, {data:data, metadata:metadata, frameNumber:frameNumber});
     },
 
     /**
      * @param {boolean} visible
      */
     screencastVisibilityChanged: function(visible)
     {
         this._resourceTreeModel.dispatchEventToListeners(WebInspector.ResourceTreeModel.EventTypes.ScreencastVisibilityChanged, {visible:visible});
     },
 
@@ skipping 21 matching lines @@
     interstitialHidden: function()
     {
         // Frontend is not interested in interstitials.
     }
 }
 
 /**
  * @type {!WebInspector.ResourceTreeModel}
  */
 WebInspector.resourceTreeModel;