Fix fast/css tests for Win7/DirectWrite by explicitly setting height

Fix fast/css tests for Win7/DirectWrite by explicitly setting height

The height of text and form control can vary slightly depending on
alignment and baseline. Explicitly set height for CSS tests that do not
test nor depend on text rendering.

BUG=378610
R=dglazkov@chromium.org, eseidel@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=176035

[dglazkov, 2014-06-12 15:18:40]

lgtm

[eae, 2014-06-12 15:25:35]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2014-06-12 15:25:56]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/eae@chromium.org/323293002/1

[commit-bot: I haz the power, 2014-06-12 15:29:32]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/7533)

[commit-bot: I haz the power, 2014-06-12 15:32:11]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-06-12 15:32:13]

Try jobs failed on following builders:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/7534)

[eae, 2014-06-12 16:40:57]

Committed patchset #1 manually as r176035 (presubmit successful).