Compile image loader in v2 syntax.

ui/file_manager/image_loader/image_loader_unittest.js

 // Copyright 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.
 
 /**
  * Test case:
  * - Source image: 200x50
  * - Target: max size is 100x100
  */
 function testNormalImage() {
   var source = new Image();
   source.width = 200;
   source.height = 50;
   var options = {
     maxWidth: 100,
     maxHeight: 100,
     orientation: ImageOrientation.fromDriveOrientation(0)
   };
-  var result = ImageLoader.calculateCopyParameters(source, options);
+  var result = ImageLoaderUtil.calculateCopyParameters(source, options);
   assertEquals(0, result.source.x);
   assertEquals(0, result.source.y);
   assertEquals(200, result.source.width);
   assertEquals(50, result.source.height);
   assertEquals(0, result.target.x);
   assertEquals(0, result.target.y);
   assertEquals(100, result.target.width);
   assertEquals(25, result.target.height);
   assertEquals(100, result.canvas.width);
   assertEquals(25, result.canvas.height);
 };
 
 /**
  * Test case:
  * - Source image: 50x200 90 deg clock-wise rotated image.
  * - Target: max size is 100x100
  */
 function testRotatedImage() {
   var source = new Image();
   source.width = 50;
   source.height = 200;
   var options = {
     maxWidth: 100,
     maxHeight: 100,
     orientation: ImageOrientation.fromDriveOrientation(1)
   };
-  var result = ImageLoader.calculateCopyParameters(source, options);
+  var result = ImageLoaderUtil.calculateCopyParameters(source, options);
   assertEquals(0, result.source.x);
   assertEquals(0, result.source.y);
   assertEquals(50, result.source.width);
   assertEquals(200, result.source.height);
   assertEquals(0, result.target.x);
   assertEquals(0, result.target.y);
   assertEquals(25, result.target.width);
   assertEquals(100, result.target.height);
   assertEquals(100, result.canvas.width);
   assertEquals(25, result.canvas.height);
 }
 
 /**
  * Test case:
  * - Source image: 800x100
  * - Target: 50x50 cropped image.
  */
 function testCroppedImage() {
   var source = new Image();
   source.width = 800;
   source.height = 100;
   var options = {
     width: 50,
     height: 50,
     crop: true,
     orientation: ImageOrientation.fromDriveOrientation(0)
   };
-  var result = ImageLoader.calculateCopyParameters(source, options);
+  var result = ImageLoaderUtil.calculateCopyParameters(source, options);
   assertEquals(350, result.source.x);
   assertEquals(0, result.source.y);
   assertEquals(100, result.source.width);
   assertEquals(100, result.source.height);
   assertEquals(0, result.target.x);
   assertEquals(0, result.target.y);
   assertEquals(50, result.target.width);
   assertEquals(50, result.target.height);
   assertEquals(50, result.canvas.width);
   assertEquals(50, result.canvas.height);
 }
 
 /**
  * Test case:
  * - Source image: 200x25
  * - Target: 50x50 cropped image.
  */
 function testCroppedImageWithResize() {
   var source = new Image();
   source.width = 200;
   source.height = 25;
   var options = {
     width: 50,
     height: 50,
     crop: true,
     orientation: ImageOrientation.fromDriveOrientation(0)
   };
-  var result = ImageLoader.calculateCopyParameters(source, options);
+  var result = ImageLoaderUtil.calculateCopyParameters(source, options);
   assertEquals(87, result.source.x);
   assertEquals(0, result.source.y);
   assertEquals(25, result.source.width);
   assertEquals(25, result.source.height);
   assertEquals(0, result.target.x);
   assertEquals(0, result.target.y);
   assertEquals(50, result.target.width);
   assertEquals(50, result.target.height);
   assertEquals(50, result.canvas.width);
   assertEquals(50, result.canvas.height);
 }
 
 /**
  * Test case:
  * - Source image: 20x10
  * - Target: 50x50 cropped image.
  */
 function testCroppedTinyImage() {
   var source = new Image();
   source.width = 20;
   source.height = 10;
   var options = {
     width: 50,
     height: 50,
     crop: true,
     orientation: ImageOrientation.fromDriveOrientation(0)
   };
-  var result = ImageLoader.calculateCopyParameters(source, options);
+  var result = ImageLoaderUtil.calculateCopyParameters(source, options);
   assertEquals(5, result.source.x);
   assertEquals(0, result.source.y);
   assertEquals(10, result.source.width);
   assertEquals(10, result.source.height);
   assertEquals(0, result.target.x);
   assertEquals(0, result.target.y);
   assertEquals(50, result.target.width);
   assertEquals(50, result.target.height);
   assertEquals(50, result.canvas.width);
   assertEquals(50, result.canvas.height);
 }
 
 /**
  * Test case:
  * - Source image: 100x400 90 degree clock-wise rotated.
  * - Target: 50x50 cropped image
  */
 function testCroppedRotatedImage() {
   var source = new Image();
   source.width = 100;
   source.height = 400;
   var options = {
     width: 50,
     height: 50,
     crop: true,
     orientation: ImageOrientation.fromDriveOrientation(1)
   };
-  var result = ImageLoader.calculateCopyParameters(source, options);
+  var result = ImageLoaderUtil.calculateCopyParameters(source, options);
   assertEquals(0, result.source.x);
   assertEquals(150, result.source.y);
   assertEquals(100, result.source.width);
   assertEquals(100, result.source.height);
   assertEquals(0, result.target.x);
   assertEquals(0, result.target.y);
   assertEquals(50, result.target.width);
   assertEquals(50, result.target.height);
   assertEquals(50, result.canvas.width);
   assertEquals(50, result.canvas.height);
 }