Mark overflow/overflow-transform-002.html as passing

This is passing after:
https://chromium.googlesource.com/chromium/src.git/+/602f4cdf9e0944a68fe91d12ead5b2ece186b8e3

Bug: 723788
Change-Id: I1a322e8bd4641c33566794e287ae28d2c96a9f71
Reviewed-on: https://chromium-review.googlesource.com/565525
Commit-Queue: Philip Rogers <pdr@chromium.org>
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#485404}

third_party/WebKit/LayoutTests/TestExpectations

@@ -245,9 +245,6 @@ crbug.com/711807 external/wpt/css/CSS2/normal-flow/replaced-intrinsic-002.xht [
 crbug.com/711807 external/wpt/css/CSS2/normal-flow/width-inherit-001.xht [ Skip ]
 
 #### third_party/WebKit/LayoutTests/overflow
-#### Passed: 6
-#### Failed: 3
-crbug.com/723788 overflow/overflow-transform-002.html [ Failure ]
 crbug.com/724697 overflow/overflow-basic-002.html [ Failure ]
 crbug.com/724701 overflow/overflow-basic-004.html [ Failure ]