Rename vars and functions from 'glslcaps'->'shadercaps'

Change-Id: I34d226d866dd4ba8e5f33f95cb8cbf01292f9314
Reviewed-on: https://skia-review.googlesource.com/5312
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrBicubicEffect.cpp b/src/gpu/effects/GrBicubicEffect.cpp
index d109ef1..8d16f1d 100644
--- a/src/gpu/effects/GrBicubicEffect.cpp
+++ b/src/gpu/effects/GrBicubicEffect.cpp
@@ -102,7 +102,7 @@
             sampleVar.printf("rowColors[%d]", x);
             fDomain.sampleTexture(fragBuilder,
                                   args.fUniformHandler,
-                                  args.fGLSLCaps,
+                                  args.fShaderCaps,
                                   bicubicEffect.domain(),
                                   sampleVar.c_str(),
                                   coord,