Move the code for the GPU implementation of morphology effects from GrContext
and GrMorphologyEffect.* into SkMorphologyImageFilter.cpp.

Review URL:  https://codereview.appspot.com/6458065/



git-svn-id: http://skia.googlecode.com/svn/trunk@5241 2bbb7eff-a529-9590-31e7-b0007b416f81
7 files changed