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/src/gpu/GrOvalRenderer.cpp b/src/gpu/GrOvalRenderer.cpp
index bcd64d7..85526dc 100644
--- a/src/gpu/GrOvalRenderer.cpp
+++ b/src/gpu/GrOvalRenderer.cpp
@@ -286,6 +286,10 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
+void GrOvalRenderer::reset() {
+    GrSafeSetNull(fRRectIndexBuffer);
+}
+
 bool GrOvalRenderer::drawOval(GrDrawTarget* target, const GrContext* context, bool useAA,
                               const GrRect& oval, const SkStrokeRec& stroke)
 {