Add device-independent rendering of ovals, take two.

This permits GPU support for arbitrary matrices. The only exception is 
not all stroked ovals are supported, as thin ovals + fat strokes do not
produce elliptical borders.

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

Author: jvanverth@google.com

Review URL: https://chromiumcodereview.appspot.com/23701013

git-svn-id: http://skia.googlecode.com/svn/trunk/include@11115 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/GrOvalRenderer.h b/gpu/GrOvalRenderer.h
index 08d3d3d..8c47e9a 100644
--- a/gpu/GrOvalRenderer.h
+++ b/gpu/GrOvalRenderer.h
@@ -41,6 +41,9 @@
     bool drawEllipse(GrDrawTarget* target, bool useAA,
                      const SkRect& ellipse,
                      const SkStrokeRec& stroke);
+    bool drawDIEllipse(GrDrawTarget* target, bool useAA,
+                       const SkRect& ellipse,
+                       const SkStrokeRec& stroke);
     void drawCircle(GrDrawTarget* target, bool useAA,
                     const SkRect& circle,
                     const SkStrokeRec& stroke);