Add SkPictureShader::makeColorSpace()

Also adds an SkColorSpace to the BitmapShader
cache key (that should have been there already).

This fixes 3 gms in gbr-8888 config.

Bug: skia:
Change-Id: If47dfcdbd99b4caaeee4eddbe5ff1cd042ea9d02
Reviewed-on: https://skia-review.googlesource.com/13976
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Matt Sarett <msarett@google.com>
2 files changed