Revert of Restore text alloc optimizations.

Revert of Restore text alloc optimizations. (patchset #4 of https://codereview.chromium.org/466363009/)

Reason for revert:
GM failures on http://108.170.220.120:10115/builders/Test-Ubuntu12-ShuttleA-GTX660-x86-Release/builds/1867/

Original issue's description:
> Restore text vertex buffer alloc and other optimizations.
> 
> Modifies the fontcache GM to ensure that the font cache is forced to flush.
> 
> Committed: https://skia.googlesource.com/skia/+/9c3d24b9d1ba3d955094ff0cb1ba2d11e1c1adca

TBR=bsalomon@google.com,robertphillips@google.com,jvanverth@google.com
NOTREECHECKS=true
NOTRY=true

Committed: https://skia.googlesource.com/skia/+/2e1a82675c9dc6fe7d6884f92ae59519d5359a70

[djsollen, 2014-08-27 20:11:47]

Created Revert of Restore text alloc optimizations.

[commit-bot: I haz the power, 2014-08-27 20:12:20]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/djsollen@google.com/510103003/1

[commit-bot: I haz the power, 2014-08-27 20:12:31]

Committed patchset #1 (id:1) as 2e1a82675c9dc6fe7d6884f92ae59519d5359a70