Refactoring source image usage in CanvasRenderingContext2D

LayoutTests/fast/canvas/drawImage-with-broken-image-expected.txt

Index: LayoutTests/fast/canvas/drawImage-with-broken-image-expected.txt
diff --git a/LayoutTests/fast/canvas/drawImage-with-broken-image-expected.txt b/LayoutTests/fast/canvas/drawImage-with-broken-image-expected.txt
index d24ce6c8bb89b97b32b6e27bdeed4e1ee19321de..331c5b2a2a63a39177fbc7334999270e39ae6d93 100644
--- a/LayoutTests/fast/canvas/drawImage-with-broken-image-expected.txt
+++ b/LayoutTests/fast/canvas/drawImage-with-broken-image-expected.txt
@@ -3,14 +3,14 @@ This test checks behavior of Canvas::drawImage with a broken source image.
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS ctx.drawImage(null, 0, 0) threw exception TypeMismatchError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid HTMLImageElement object..
-PASS ctx.drawImage(null, 0, 0, 20, 20) threw exception TypeMismatchError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid HTMLImageElement object..
-PASS ctx.drawImage(null, 0, 0, 20, 20, 0, 0, 20, 20) threw exception TypeMismatchError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid HTMLImageElement object..
-PASS ctx.drawImage(invalidImage, 0, 0) is undefined
-PASS ctx.drawImage(invalidImage, 0, 0, 20, 20) is undefined
-PASS ctx.drawImage(invalidImage, 0, 0, 20, 20, 0, 0, 20, 20) is undefined
-PASS ctx.drawImage(invalidImage, 0, 0, 0, 20) is undefined
-PASS ctx.drawImage(invalidImage, 0, 0, 0, 20, 0, 0, 20, 20) is undefined
+PASS ctx.drawImage(null, 0, 0) threw exception TypeMismatchError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid HTMLImageElement, HTMLCanvasElement or HTMLVideoElement object..
+PASS ctx.drawImage(null, 0, 0, 20, 20) threw exception TypeMismatchError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid HTMLImageElement, HTMLCanvasElement or HTMLVideoElement object..
+PASS ctx.drawImage(null, 0, 0, 20, 20, 0, 0, 20, 20) threw exception TypeMismatchError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid HTMLImageElement, HTMLCanvasElement or HTMLVideoElement object..
+PASS ctx.drawImage(invalidImage, 0, 0) threw exception InvalidStateError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The HTMLImageElement provided is in the 'broken' state..
+PASS ctx.drawImage(invalidImage, 0, 0, 20, 20) threw exception InvalidStateError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The HTMLImageElement provided is in the 'broken' state..
+PASS ctx.drawImage(invalidImage, 0, 0, 20, 20, 0, 0, 20, 20) threw exception InvalidStateError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The HTMLImageElement provided is in the 'broken' state..
+PASS ctx.drawImage(invalidImage, 0, 0, 0, 20) threw exception InvalidStateError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The HTMLImageElement provided is in the 'broken' state..
+PASS ctx.drawImage(invalidImage, 0, 0, 0, 20, 0, 0, 20, 20) threw exception InvalidStateError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The HTMLImageElement provided is in the 'broken' state..
 PASS successfullyParsed is true
 
 TEST COMPLETE