Change SkShader;asFragmentProcessor signature to no longer take skpaint\grcolor*

tests/GLProgramsTest.cpp

Index: tests/GLProgramsTest.cpp
diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 7f23f93d34542d3127a82912cce5fb90a7a7e3ad..b019d75bbb4e5e0e3ecf6860ce36c03f9c9f61c8 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -90,7 +90,7 @@ private:
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(BigKeyProcessor);
 
-GrFragmentProcessor* BigKeyProcessor::TestCreate(GrProcessorTestData*) {
+const GrFragmentProcessor* BigKeyProcessor::TestCreate(GrProcessorTestData*) {
     return BigKeyProcessor::Create();
 }