Revert 234702 "Try a different arbitrary SkGlyphCache cap (64 ->..."

Still trying to understand if and how this number correlates to crashes.

> Try a different arbitrary SkGlyphCache cap (64 -> 256)
> 
> We're hitting a lot of crashes in skia::CreateCanvas that may be due to GDI
> handle exhaustion.  This picks a different arbitrary limit for the number
> of entries in this cache to try to see if the crashes are correlated. Changing
> this cap from 2048->64 was perf neutral on the bots, so 64->256 is also
> expected to be neutral.
> 
> TBR=reed
> NOTRY=true
> BUG=275046,314387
> 
> Review URL: https://codereview.chromium.org/71043002

TBR=jamesr@chromium.org

Review URL: https://codereview.chromium.org/71593003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234875 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234875