Add scroll-blocks-on support to devtools layers view

Source/devtools/front_end/timeline/LayerDetailsView.js

 /*
  * Copyright (C) 2013 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 @@
     "clipsCompositingDescendants": WebInspector.UIString("Composition due to association with an element clipping compositing descendants."),
     "perspective": WebInspector.UIString("Composition due to association with an element with perspective applied."),
     "preserve3D": WebInspector.UIString("Composition due to association with an element with a \"transform-style: preserve-3d\" style."),
     "root": WebInspector.UIString("Root layer."),
     "layerForClip": WebInspector.UIString("Layer for clip."),
     "layerForScrollbar": WebInspector.UIString("Layer for scrollbar."),
     "layerForScrollingContainer": WebInspector.UIString("Layer for scrolling container."),
     "layerForForeground": WebInspector.UIString("Layer for foreground."),
     "layerForBackground": WebInspector.UIString("Layer for background."),
     "layerForMask": WebInspector.UIString("Layer for mask."),
-    "layerForVideoOverlay": WebInspector.UIString("Layer for video overlay.")
+    "layerForVideoOverlay": WebInspector.UIString("Layer for video overlay."),
+    "scrollBlocksOn": WebInspector.UIString("Composition due to association with an element with a CSS \"scroll-blocks-on\" property applied."),
 };
 
 WebInspector.LayerDetailsView.prototype = {
     /**
      * @param {?WebInspector.Layers3DView.Selection} selection
      */
     setObject: function(selection)
     {
         this._selection = selection;
         if (this.isShowing())
@@ skipping 101 matching lines @@
             var text = WebInspector.LayerDetailsView.CompositingReasonDetail[compositingReasons[i]] || compositingReasons[i];
             // If the text is more than one word but does not terminate with period, add the period.
             if (/\s.*[^.]$/.test(text))
                 text += ".";
             list.createChild("li").textContent = text;
         }
     },
 
     __proto__: WebInspector.View.prototype
 }