tree 4014cf3c3bb63cab21359dbc126999d26db43f1e
parent ee8a8e3931c1d3f39755ee8beaf0c7cb1ba91888
author reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> 1355858319 +0000
committer reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> 1355858319 +0000

change SkMaskFilter methods to const, in preparation for making the class as
immutable and re-entrant safe.
Review URL: https://codereview.appspot.com/6944069

git-svn-id: http://skia.googlecode.com/svn/trunk@6881 2bbb7eff-a529-9590-31e7-b0007b416f81