Simplify code for making paints with shaders.

Since SkAutoBitmapShaderInstall was simplified to create shaders on the
heap, it is no longer needed. Simplify to a single routine.

TBR=mtklein@google.com

Change-Id: Ib18be559b03e234a05105d0892c1457cafce28b7
Reviewed-on: https://skia-review.googlesource.com/8391
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed