DevTools: mute the node highlight & hide devtools while taking screenshots.

third_party/WebKit/Source/devtools/front_end/sdk/DOMModel.js

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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.
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     }
     return result;
 }
 
 WebInspector.DOMModel.hideDOMNodeHighlight = function()
 {
     for (var domModel of WebInspector.DOMModel.instances())
         domModel.highlightDOMNode(0);
 }
 
+WebInspector.DOMModel.muteHighlight = function()
+{
+    WebInspector.DOMModel.hideDOMNodeHighlight();
+    WebInspector.DOMModel._highlightDisabled = true;
+}
+
+WebInspector.DOMModel.unmuteHighlight = function()
+{
+    WebInspector.DOMModel._highlightDisabled = false;
+}
+
 WebInspector.DOMModel.cancelSearch = function()
 {
     for (var domModel of WebInspector.DOMModel.instances())
         domModel._cancelSearch();
 }
 
 WebInspector.DOMModel.prototype = {
     /**
      * @param {!WebInspector.DOMNode} node
      */
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     },
 
     /**
      * @param {!DOMAgent.NodeId=} nodeId
      * @param {!{mode: (string|undefined), showInfo: (boolean|undefined), selectors: (string|undefined)}=} config
      * @param {!DOMAgent.BackendNodeId=} backendNodeId
      * @param {!RuntimeAgent.RemoteObjectId=} objectId
      */
     highlightDOMNodeWithConfig: function(nodeId, config, backendNodeId, objectId)
     {
+        if (WebInspector.DOMModel._highlightDisabled)
+            return;
         config = config || { mode: "all", showInfo: undefined, selectors: undefined };
         if (this._hideDOMNodeHighlightTimeout) {
             clearTimeout(this._hideDOMNodeHighlightTimeout);
             delete this._hideDOMNodeHighlightTimeout;
         }
         var highlightConfig = this._buildHighlightConfig(config.mode);
         if (typeof config.showInfo !== "undefined")
             highlightConfig.showInfo = config.showInfo;
         if (typeof config.selectors !== "undefined")
             highlightConfig.selectorList = config.selectors;
         this._highlighter.highlightDOMNode(this.nodeForId(nodeId || 0), highlightConfig, backendNodeId, objectId);
     },
 
     /**
      * @param {!DOMAgent.NodeId} nodeId
      */
     highlightDOMNodeForTwoSeconds: function(nodeId)
     {
         this.highlightDOMNode(nodeId);
         this._hideDOMNodeHighlightTimeout = setTimeout(WebInspector.DOMModel.hideDOMNodeHighlight.bind(WebInspector.DOMModel), 2000);
     },
 
     /**
      * @param {!PageAgent.FrameId} frameId
      */
     highlightFrame: function(frameId)
     {
+        if (WebInspector.DOMModel._highlightDisabled)
+            return;
         this._highlighter.highlightFrame(frameId);
     },
 
     /**
      * @param {!DOMAgent.InspectMode} mode
      * @param {function(?Protocol.Error)=} callback
      */
     setInspectMode: function(mode, callback)
     {
         /**
@@ skipping 461 matching lines @@
 }
 
 /**
  * @param {!WebInspector.Target} target
  * @return {?WebInspector.DOMModel}
  */
 WebInspector.DOMModel.fromTarget = function(target)
 {
     return /** @type {?WebInspector.DOMModel} */ (target.model(WebInspector.DOMModel));
 }