Add stroking support to distance field path renderer

src/gpu/GrPathRenderer.h

Index: src/gpu/GrPathRenderer.h
diff --git a/src/gpu/GrPathRenderer.h b/src/gpu/GrPathRenderer.h
index 25a2a68abbfb929e808a0f8db092b156a9cd307a..7ada6d10f79a3fe658d81c067ca1a9742325f50a 100644
--- a/src/gpu/GrPathRenderer.h
+++ b/src/gpu/GrPathRenderer.h
@@ -115,6 +115,7 @@ public:
      * fTarget                The target that the path will be rendered to
      * fResourceProvider      The resource provider for creating gpu resources to render the path
      * fPipelineBuilder       The pipelineBuilder
+     * fColor                 Color to render with
      * fViewMatrix            The viewMatrix
      * fPath                  the path to draw.
      * fStroke                the stroke information (width, join, cap)