Fix a perf regression introduced by r7594: when computing a texture cache key, use the resolved (T…

Fix a perf regression introduced by r7594:  when computing a texture cache key, use the resolved (Top or Bottom) surface origin, never Default, otherwise we never get a cache hit.

Covered by polygon, path benches.  See also:  https://code.google.com/p/chromium/issues/detail?id=174749.

Committed: https://code.google.com/p/skia/source/detail?r=7635

[Stephen White, 2013-02-07 00:30:46]

PTAL

[robertphillips, 2013-02-07 00:33:19]

lgtm - the new function should probably made static or placed in anonymous name
space

[Stephen White, 2013-02-07 00:34:34]

On 2013/02/07 00:33:19, robertphillips wrote:
> lgtm - the new function should probably made static or placed in anonymous
name
> space

It's already in namespace {}

[robertphillips, 2013-02-07 00:36:49]

On 2013/02/07 00:34:34, Stephen White wrote:
> On 2013/02/07 00:33:19, robertphillips wrote:
> > lgtm - the new function should probably made static or placed in anonymous
> name
> > space
> 
> It's already in namespace {}

doh - missed that