refractoring ImageBitmap class

third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html

Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html
index 5f2325face4f508ca53019dd83a53eec7e8d5e0d..db24904b03d9a95ea16b6a839b0dd6efcf29d5ff 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html
@@ -32,43 +32,43 @@ function shouldNotBeCalled() {
 
 function shouldBeRed(x, y) {
     d = ctx.getImageData(x, y, 1, 1).data;
-    shouldBeTrue("d[0] == 255");
-    shouldBeTrue("d[1] == 0");
-    shouldBeTrue("d[2] == 0");
-    shouldBeTrue("d[3] == 255");
+    shouldBe("d[0]", "255");
+    shouldBe("d[1]", "0");
+    shouldBe("d[2]", "0");
+    shouldBe("d[3]", "255");
 }
 
 function shouldBeGreen(x, y) {
     d = ctx.getImageData(x, y, 1, 1).data;
-    shouldBeTrue("d[0] == 0");
-    shouldBeTrue("d[1] == 255");
-    shouldBeTrue("d[2] == 0");
-    shouldBeTrue("d[3] == 255");
+    shouldBe("d[0]", "0");
+    shouldBe("d[1]", "255");
+    shouldBe("d[2]", "0");
+    shouldBe("d[3]", "255");
 }
 
 function shouldBeBlue(x, y) {
     d = ctx.getImageData(x, y, 1, 1).data;
-    shouldBeTrue("d[0] == 0");
-    shouldBeTrue("d[1] == 0");
-    shouldBeTrue("d[2] == 255");
-    shouldBeTrue("d[3] == 255");
+    shouldBe("d[0]", "0");
+    shouldBe("d[1]", "0");
+    shouldBe("d[2]", "255");
+    shouldBe("d[3]", "255");
 }
 
 function shouldBeBlack(x, y) {
     d = ctx.getImageData(x, y, 1, 1).data;
-    shouldBeTrue("d[0] == 0");
-    shouldBeTrue("d[1] == 0");
-    shouldBeTrue("d[2] == 0");
-    shouldBeTrue("d[3] == 255");
+    shouldBe("d[0]", "0");
+    shouldBe("d[1]", "0");
+    shouldBe("d[2]", "0");
+    shouldBe("d[3]", "255");
 }
 
 function shouldBeClear(x, y) {
     // should be transparent black pixels
     d = ctx.getImageData(x, y, 1, 1).data;
-    shouldBeTrue("d[0] == 0");
-    shouldBeTrue("d[1] == 0");
-    shouldBeTrue("d[2] == 0");
-    shouldBeTrue("d[3] == 0");
+    shouldBe("d[0]", "0");
+    shouldBe("d[1]", "0");
+    shouldBe("d[2]", "0");
+    shouldBe("d[3]", "0");
 }
 
 function drawPattern(ctx) {