Adding missing oval and roundedRect primitives to SkBBoxRecord

BUG=http://code.google.com/p/skia/issues/detail?id=1014
TEST=gm with --tileGrid
Review URL: https://codereview.appspot.com/6937066

git-svn-id: http://skia.googlecode.com/svn/trunk@6846 2bbb7eff-a529-9590-31e7-b0007b416f81

src/core/SkBBoxRecord.cpp

@@ -8,6 +8,18 @@
 
 #include "SkBBoxRecord.h"
 
+void SkBBoxRecord::drawOval(const SkRect& rect, const SkPaint& paint) {
+    if (this->transformBounds(rect, &paint)) {
+        INHERITED::drawOval(rect, paint);
+    }
+}
+
+void SkBBoxRecord::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
+    if (this->transformBounds(rrect.rect(), &paint)) {
+        INHERITED::drawRRect(rrect, paint);
+    }
+}
+
 void SkBBoxRecord::drawRect(const SkRect& rect, const SkPaint& paint) {
     if (this->transformBounds(rect, &paint)) {
         INHERITED::drawRect(rect, paint);

src/core/SkBBoxRecord.h

@@ -29,6 +29,8 @@ public:
      */
     virtual void handleBBox(const SkRect& bbox) = 0;
 
+    virtual void drawOval(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE;
+    virtual void drawRRect(const SkRRect& rrect, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRect(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],