Separated Inst counting from the SK_DEBUG #define (now SK_ENABLE_INST_COUNT)

http://codereview.appspot.com/6353047/



git-svn-id: http://skia.googlecode.com/svn/trunk@4376 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/config/SkUserConfig.h b/include/config/SkUserConfig.h
index e7f781d..b180c89 100644
--- a/include/config/SkUserConfig.h
+++ b/include/config/SkUserConfig.h
@@ -65,6 +65,12 @@
 //#define SK_DEBUG
 //#define SK_RELEASE
 
+/*  To assist debugging, Skia provides an instance counting utility in
+    include/core/SkInstCount.h. This flag turns on and off that utility to
+    allow instance count tracking in either debug or release builds. By 
+    default it is enabled in debug but disabled in release.
+ */
+//#define SK_ENABLE_INST_COUNT
 
 /*  If, in debugging mode, Skia needs to stop (presumably to invoke a debugger)
     it will call SK_CRASH(). If this is not defined it, it is defined in