Expose ImageData on WorkerGlobalScope.

LayoutTests/fast/canvas/script-tests/canvas-ImageData.js

Index: LayoutTests/fast/canvas/script-tests/canvas-ImageData.js
diff --git a/LayoutTests/fast/canvas/script-tests/canvas-ImageData.js b/LayoutTests/fast/canvas/script-tests/canvas-ImageData.js
index bc9568b13374c10745e183cc84aa7c52d2de1ba4..a341f4eab24e10917b2be5055ec459e708d02fc2 100644
--- a/LayoutTests/fast/canvas/script-tests/canvas-ImageData.js
+++ b/LayoutTests/fast/canvas/script-tests/canvas-ImageData.js
@@ -1,4 +1,7 @@
-description("Test ImageData constructor");
+if ("importScripts" in this)

[Justin Novosad, 2014/03/28 17:56:51]

This file should be moved out of the script-test subdirectory because it is
referenced by a test that is not based on TEMPLATE.html

[sof, 2014/03/28 18:39:07]

thanks, didn't know - moved it into resources/ and adjusted references. 

+    importScripts('../../../resources/js-test.js');
+else
+    description("Test ImageData constructor");
 
 function setRGBA(imageData, i, rgba) {
     var s = i * 4;
@@ -65,3 +68,5 @@ shouldBe("imageDataFromData.data", "data");
 shouldBe("getRGBA(imageDataFromData.data, 2)", "getRGBA(data, 2)");
 setRGBA(imageDataFromData.data, 2, testColor);
 shouldBe("getRGBA(imageDataFromData.data, 2)", "getRGBA(data, 2)");
+
+finishJSTest();