Revert of Fix text clipping in CompositorFrameTime Display

Revert of Fix text clipping in CompositorFrameTime Display (patchset #2 id:20001 of https://codereview.chromium.org/1027393004/)

Reason for revert:
Speculative revert for Blink layout test failures in WebKit Mac10.8 (retina):
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.8%20%28retina%29/builds/27696

Original issue's description:
> Fix text clipping in CompositorFrameTime Display
>
> Because different OS have different fonts for HUD.
> Set the width of CompositorFrameTime Display to be maximum
> of graph width and text width to prevent text clipping.
>
> BUG=445877
>
> Committed: https://crrev.com/88b4cf8d33b499f972e1c447e741230170beeb8d
> Cr-Commit-Position: refs/heads/master@{#322807}

TBR=danakj@chromium.org,behara.ms@samsung.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=445877
Committed: https://crrev.com/933b39f06e409d623eb4dbc4da692ae41460372e
Cr-Commit-Position: refs/heads/master@{#322858}

[jianli, 2015-03-30 20:40:24]

Created Revert of Fix text clipping in CompositorFrameTime Display

[commit-bot: I haz the power, 2015-03-30 20:41:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1047013002/1

[commit-bot: I haz the power, 2015-03-30 20:43:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-30 20:45:15]

Patchset 1 (id:??) landed as
https://crrev.com/933b39f06e409d623eb4dbc4da692ae41460372e
Cr-Commit-Position: refs/heads/master@{#322858}

[jianli, 2015-03-30 23:37:53]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1043023002/ by jianli@chromium.org.

The reason for reverting is: Not a culprit. Bring it back..