The two leaks are:
  missing unrefs in megalooper GM
  missing reset capability in oval renderer

This CL also expands the instance counting system to some recently adding classes (e.g., SkFontStyleSet)

R=bsalomon@google.com, jvanverth@google.com

Author: robertphillips@google.com

Review URL: https://chromiumcodereview.appspot.com/18461007

git-svn-id: http://skia.googlecode.com/svn/trunk@10030 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/ports/SkFontConfigInterface.h b/include/ports/SkFontConfigInterface.h
index 3284d38..661c3be 100644
--- a/include/ports/SkFontConfigInterface.h
+++ b/include/ports/SkFontConfigInterface.h
@@ -22,6 +22,8 @@
  */
 class SK_API SkFontConfigInterface : public SkRefCnt {
 public:
+    SK_DECLARE_INST_COUNT(SkFontConfigInterface)
+
     /**
      *  Returns the global SkFontConfigInterface instance, and if it is not
      *  NULL, calls ref() on it. The caller must balance this with a call to