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/glsl/GrGLSLFragmentProcessor.cpp b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
index 8c32482..a779acc 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
@@ -52,7 +52,7 @@
     ImageStorages imageStorages = args.fImageStorages.childInputs(childIndex);
     EmitArgs childArgs(fragBuilder,
                        args.fUniformHandler,
-                       args.fGLSLCaps,
+                       args.fShaderCaps,
                        childProc,
                        outputColor,
                        inputColor,