Refactoring: get rid of the SkBenchmark void* parameter.

While I was doing massive sed-ing, I also converted every bench to use DEF_BENCH instead of registering the ugly manual way.

BUG=
R=scroggo@google.com

Review URL: https://codereview.chromium.org/23876006

git-svn-id: http://skia.googlecode.com/svn/trunk@11263 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/PathIterBench.cpp b/bench/PathIterBench.cpp
index c5ac7e4..a18b29d 100644
--- a/bench/PathIterBench.cpp
+++ b/bench/PathIterBench.cpp
@@ -31,7 +31,7 @@
     bool        fRaw;
 
 public:
-    PathIterBench(void* param, bool raw) : INHERITED(param) {
+    PathIterBench(bool raw)  {
         fName.printf("pathiter_%s", raw ? "raw" : "consume");
         fRaw = raw;
 
@@ -89,8 +89,5 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static SkBenchmark* F0(void* p) { return new PathIterBench(p, false); }
-static SkBenchmark* F1(void* p) { return new PathIterBench(p, true); }
-
-static BenchRegistry gR0(F0);
-static BenchRegistry gR1(F1);
+DEF_BENCH( return new PathIterBench(false); )
+DEF_BENCH( return new PathIterBench(true); )