Remove duplicate test from LayoutTests/TestExpectations.

The following CLs added a NeedsRebaseline entry for
svg/filters/big-sized-filter.svg:
https://codereview.chromium.org/446593003
https://codereview.chromium.org/437673002

TBR=senorblanco@chromium.org,fmalita@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/443813002

git-svn-id: svn://svn.chromium.org/blink/trunk@179562 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Use stylesheet to fill workspace even if they don't have a sourceURL.

Now that we explicitly load the content for CSS style sheets we could solve the issue with empty url() in a css property value.

BUG=84605
NOTRY=true

Review URL: https://codereview.chromium.org/432283002

git-svn-id: svn://svn.chromium.org/blink/trunk@179563 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Add NeedsRebaseline for fast/transforms/shadows.html

BUG=400978

TBR=dstockwell

NOTRY=true

Review URL: https://codereview.chromium.org/442233002

git-svn-id: svn://svn.chromium.org/blink/trunk@179564 bbb929c8-8fbe-4397-9dbb-9b2b20218538