Cleanup WebViewRendererState

Cleanup WebViewRendererState

Rename webview_ to web_view to be more consistent with naming elsewhere.

Use auto when useful.

BUG=none

Committed: https://crrev.com/8a90168bcbe5883721abd5d7a6c87af34baa9332
Cr-Commit-Position: refs/heads/master@{#312928}

[Fady Samuel, 2015-01-22 23:00:48]

fsamuel@chromium.org changed reviewers:
+ lazyboy@chromium.org

[Fady Samuel, 2015-01-22 23:00:48]

fsamuel@chromium.org changed reviewers:
+ lazyboy@chromium.org

[lazyboy, 2015-01-22 23:08:54]

lgtm

[Fady Samuel, 2015-01-22 23:09:18]

The CQ bit was checked by fsamuel@chromium.org

[commit-bot: I haz the power, 2015-01-22 23:11:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/873533002/1

[commit-bot: I haz the power, 2015-01-22 23:39:32]

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

[commit-bot: I haz the power, 2015-01-22 23:39:32]

Try jobs failed on following builders:
  linux_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu/builds/...)
  linux_chromium_gn_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Fady Samuel, 2015-01-23 20:23:19]

The CQ bit was checked by fsamuel@chromium.org

[commit-bot: I haz the power, 2015-01-23 20:24:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/873533002/20001

[commit-bot: I haz the power, 2015-01-23 21:12:35]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-01-23 21:13:19]

Patchset 2 (id:??) landed as
https://crrev.com/8a90168bcbe5883721abd5d7a6c87af34baa9332
Cr-Commit-Position: refs/heads/master@{#312928}