support animated GIF

ui/file_manager/file_manager/background/js/test_util_base.js

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * Namespace for test related things.
  */
 var test = test || {};
 
 /**
@@ skipping 13 matching lines @@
     attributes[element.attributes[i].nodeName] =
         element.attributes[i].nodeValue;
   }
   var styles = {};
   var styleNames = opt_styleNames || [];
   var computedStyles = contentWindow.getComputedStyle(element);
   for (var i = 0; i < styleNames.length; i++) {
     styles[styleNames[i]] = computedStyles[styleNames[i]];
   }
   var text = element.textContent;
+  var size = element.getBoundingClientRect();
   return {
     attributes: attributes,
     text: text,
     value: element.value,
     styles: styles,
     // The hidden attribute is not in the element.attributes even if
     // element.hasAttribute('hidden') is true.
-    hidden: !!element.hidden
+    hidden: !!element.hidden,
+    // These attributes are set when element is img or canvas.
+    imageWidth: Number(element.width),
+    imageHeight: Number(element.height),
+    // These attributes are set in any element.
+    renderedWidth: size.width,
+    renderedHeight: size.height
   };
 }
 
 /**
  * Namespace for test utility functions.
  *
  * Public functions in the test.util.sync and the test.util.async namespaces are
  * published to test cases and can be called by using callRemoteTestUtil. The
  * arguments are serialized as JSON internally. If application ID is passed to
  * callRemoteTestUtil, the content window of the application is added as the
@@ skipping 518 matching lines @@
       return true;
     } else if (test.util.sync[request.func]) {
       sendResponse(test.util.sync[request.func].apply(null, args));
       return false;
     } else {
       console.error('Invalid function name.');
       return false;
     }
   });
 };