Add inst counting to bench and count SkPaths

Review URL: http://codereview.appspot.com/6450129/



git-svn-id: http://skia.googlecode.com/svn/trunk@5076 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/benchmain.cpp b/bench/benchmain.cpp
index 73aa988..fa43155 100644
--- a/bench/benchmain.cpp
+++ b/bench/benchmain.cpp
@@ -439,8 +439,11 @@
 }
 
 int main (int argc, char * const argv[]) {
+#ifdef SK_ENABLE_INST_COUNT
+    gPrintInstCount = true;
+#endif
     SkAutoGraphics ag;
-    
+
     SkTDict<const char*> defineDict(1024);
     int repeatDraw = 1;
     bool logPerIter = false;