Pull out shader-specific caps into GrShaderCaps and GrGLSLCaps

src/gpu/GrAAHairLinePathRenderer.cpp

Index: src/gpu/GrAAHairLinePathRenderer.cpp
diff --git a/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp
index 477385467e714a1dcd98878549653e288ea95b9c..9ab5c8eef21aa110902dd7f2adb5f9829c306f8b 100644
--- a/src/gpu/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/GrAAHairLinePathRenderer.cpp
@@ -649,7 +649,7 @@ bool GrAAHairLinePathRenderer::canDrawPath(const GrDrawTarget* target,
     }
 
     if (SkPath::kLine_SegmentMask == path.getSegmentMasks() ||
-        target->caps()->shaderDerivativeSupport()) {
+        target->caps()->shaderCaps()->shaderDerivativeSupport()) {
         return true;
     }
     return false;