Rename variable name from renderText to layoutText

Rename variable name from renderText to layoutText

Class name is already changed in https://codereview.chromium.org/940373003,
variables still use renderText.

Code re-factor only, layout test not needed.

Bug=462960
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=193924

[h.joshi, 2015-04-16 04:05:14]

h.joshi@samsung.com changed reviewers:
+ eae@chromium.org

[h.joshi, 2015-04-16 04:05:25]

Pls review

[Dominik Röttsches, 2015-04-16 07:46:52]

Non-owner LGTM. Please fix the description: One line subject, one line space,
description, BUG=<number>.

[h.joshi, 2015-04-16 08:46:46]

h.joshi@samsung.com changed reviewers:
+ dominik.rottsches@intel.com

[h.joshi, 2015-04-16 08:52:27]

@Dominik: Made suggested changes. We do not have any specific bug tracking 
these changes. In the original patch also no bug ID is present.
I have mentioned original patch link in description.

[dsinclair, 2015-04-16 13:48:23]

dsinclair@chromium.org changed reviewers:
+ dsinclair@chromium.org

[dsinclair, 2015-04-16 13:48:23]

LGTM. Thanks a lot for doing this.

You can use crbug.com/462960 as the tracking bug as that's what I've been using
for the renames.

[h.joshi, 2015-04-17 04:08:23]

@dsinclair/Dominik: Thank you
Added Bug number in the description.

[h.joshi, 2015-04-17 04:08:30]

The CQ bit was checked by h.joshi@samsung.com

[commit-bot: I haz the power, 2015-04-17 04:08:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1055683008/1

[commit-bot: I haz the power, 2015-04-17 04:17:39]

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

[commit-bot: I haz the power, 2015-04-17 04:17:43]

Try jobs failed on following builders:
  blink_presubmit on tryserver.blink (JOB_FAILED,
http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/3...)

[h.joshi, 2015-04-17 04:35:26]

h.joshi@samsung.com changed reviewers:
+ dmazzoni@chromium.org

[h.joshi, 2015-04-17 04:36:16]

@dmazzoni: Pls review

getting following error when trying to land patch.

** Presubmit ERRORS **
Missing LGTM from an OWNER for these files:
    Source/modules/accessibility/AXInlineTextBox.cpp

[dmazzoni, 2015-04-17 06:29:53]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2015-04-17 06:29:53]

lgtm

[commit-bot: I haz the power, 2015-04-17 06:30:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1055683008/1

[commit-bot: I haz the power, 2015-04-17 06:33:41]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=193924