Remove unused private fields from PathUtilsBench.

This allows compilation to proceed on Linux with clang when building the "most"
target.

R=robertphillips@google.com

Review URL: https://codereview.chromium.org/18338011

git-svn-id: http://skia.googlecode.com/svn/trunk@9925 2bbb7eff-a529-9590-31e7-b0007b416f81

bench/PathUtilsBench.cpp

@@ -38,7 +38,6 @@ class PathUtilsBench : public SkBenchmark {
     typedef void (*Proc)(char*, SkPath*);
 
     Proc fProc;
-    int fH, fW, fStride;
     SkString fName;
     char* bits[H * STRIDE];