Add 'error' parameter to 'window.onerror' handlers.

LayoutTests/fast/events/window-onerror-isolatedworld-02-expected.txt

Index: LayoutTests/fast/events/window-onerror-isolatedworld-02-expected.txt
diff --git a/LayoutTests/fast/events/window-onerror-isolatedworld-02-expected.txt b/LayoutTests/fast/events/window-onerror-isolatedworld-02-expected.txt
index c2020ec102c8f342072f1c4262b5bc251442d13e..30cacf942e9b9aece02555a3de109985685f2698 100644
--- a/LayoutTests/fast/events/window-onerror-isolatedworld-02-expected.txt
+++ b/LayoutTests/fast/events/window-onerror-isolatedworld-02-expected.txt
@@ -1,12 +1,18 @@
 Test that window.onerror and "error" event listeners from isolated world are invoked for uncaught exceptions in scripts running in isolate worlds as well as for exceptions in the main world.Bug 8519.
 
-isolated world window.onerror: Uncaught Error: Error in isolated world inline script. at :33
-isolated world error event listener: Uncaught Error: Error in isolated world inline script. at :33
-isolated world window.onerror: Uncaught Error: Error in main world inline script. at window-onerror-isolatedworld-02.html:30
-isolated world error event listener: Uncaught Error: Error in main world inline script. at window-onerror-isolatedworld-02.html:30
-isolated world window.onerror: Uncaught Error: Error in isolated world load handler. at :30
-isolated world error event listener: Uncaught Error: Error in isolated world load handler. at :30
-isolated world window.onerror: Uncaught Error: Error in main world load handler. at window-onerror-isolatedworld-02.html:27
-isolated world error event listener: Uncaught Error: Error in main world load handler. at window-onerror-isolatedworld-02.html:27
-isolated world window.onerror: Uncaught Error: Error in isolated world setTimeout callback. at :28
-isolated world error event listener: Uncaught Error: Error in isolated world setTimeout callback. at :28
+isolated world window.onerror: Uncaught Error: Error in isolated world inline script. at , Line: 41, Column: 18
+Error object present!
+isolated world error event listener: Uncaught Error: Error in isolated world inline script. at :, Line: 41
+Error object present!
+isolated world window.onerror: Uncaught Error: Error in main world inline script. at window-onerror-isolatedworld-02.html, Line: 30, Column: 18
+No error object present!
+isolated world error event listener: Uncaught Error: Error in main world inline script. at window-onerror-isolatedworld-02.html:, Line: 30
+No error object present!
+isolated world window.onerror: Uncaught Error: Error in isolated world load handler. at , Line: 38, Column: 22
+Error object present!
+isolated world error event listener: Uncaught Error: Error in isolated world load handler. at :, Line: 38
+Error object present!
+isolated world window.onerror: Uncaught Error: Error in main world load handler. at window-onerror-isolatedworld-02.html, Line: 27, Column: 22
+No error object present!
+isolated world error event listener: Uncaught Error: Error in main world load handler. at window-onerror-isolatedworld-02.html:, Line: 27
+No error object present!