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/VertBench.cpp b/bench/VertBench.cpp
index 79dcc9ad..39602b0 100644
--- a/bench/VertBench.cpp
+++ b/bench/VertBench.cpp
@@ -39,7 +39,7 @@
     }
 
 public:
-    VertBench(void* param) : INHERITED(param) {
+    VertBench() {
         const SkScalar dx = SkIntToScalar(W) / COL;
         const SkScalar dy = SkIntToScalar(H) / COL;
 
@@ -92,6 +92,4 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static SkBenchmark* Fact(void* p) { return SkNEW_ARGS(VertBench, (p)); }
-
-static BenchRegistry gReg(Fact);
+DEF_BENCH( return SkNEW_ARGS(VertBench, ()); )