Remove WebView resource rewriting fallback case.

Remove WebView resource rewriting fallback case.

We no longer build with the Android.mk build system, and so we don't
need the special case to handle it not renaming resources when the APK
package name is renamed.

BUG=447666
Committed: https://crrev.com/69c508c08a66af6907160bbbc5bb101e6c6ceceb
Cr-Commit-Position: refs/heads/master@{#322594}

[Torne, 2015-03-27 15:44:08]

torne@chromium.org changed reviewers:
+ sgurun@chromium.org

[sgurun-gerrit only, 2015-03-27 15:58:44]

lgtm

[Torne, 2015-03-27 16:09:31]

The CQ bit was checked by torne@chromium.org

[commit-bot: I haz the power, 2015-03-27 16:09:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1040743002/1

[commit-bot: I haz the power, 2015-03-27 16:51:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-27 16:51:53]

Patchset 1 (id:??) landed as
https://crrev.com/69c508c08a66af6907160bbbc5bb101e6c6ceceb
Cr-Commit-Position: refs/heads/master@{#322594}