fast/canvas/canvas-fillRect-gradient-shadow.html failing

fast/canvas/canvas-fillRect-gradient-shadow.html failing
https://bugs.webkit.org/show_bug.cgi?id=98760

Patch by Sudarsana Nagineni <sudarsana.nagineni@intel.com> on 2012-10-09
Reviewed by Martin Robinson.

Adjust the test case to verify the pixel in the middle of the shadow,
instead of the outer edge, to make sure that the test will not fail
in case if there is any effect around the borders.

* fast/canvas/script-tests/canvas-fillRect-gradient-shadow.js:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@130837 268f45cc-cd09-0410-ab3c-d52691b4dbfc