Devtools: Fix ctrl-z in ColorPicker

Source/devtools/front_end/elements/Spectrum.js

 /*
  * Copyright (C) 2011 Brian Grinstead All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 287 matching lines @@
         else
             this._currentFormat = cf.RGB;
         this._onchange();
     },
 
     /**
      * @param {!Event} event
      */
     _checkForTabEvent: function(event)
     {
+        if (isEscKey(event) || isEnterKey(event))

[pfeldman, 2015/06/09 18:24:08]

For consistency, we could call WebInspector.markBeingEdited(element, true) /
false when focusing / blurring the input field.

+            return;
+
         var sibling = event.shiftKey ? event.target.previousSibling : event.target.nextSibling;
-        if (event.code !== "Tab" || !sibling || !sibling.classList.contains("spectrum-text-value"))
+        if (event.code !== "Tab" || !sibling || !sibling.classList.contains("spectrum-text-value")) {
+            event.consume();
             return;
+        }
         sibling.getComponentSelection().setBaseAndExtent(sibling, 0, sibling, 1);
         event.consume(true);
     },
 
     /**
      * @param {!Event} event
      */
     _inputChanged: function(event)
     {
         /**
@@ skipping 70 matching lines @@
         var rgba = [rgbColor.r, rgbColor.g, rgbColor.b, (rgbColor.a / 2.55 | 0) / 100];
         var color = WebInspector.Color.fromRGBA(rgba);
         this.setColor(color);
         this._dispatchChangeEvent();
         InspectorFrontendHost.bringToFront();
     },
 
 
     __proto__: WebInspector.VBox.prototype
 }