Revert of Revert of move remaining virtual draw methods to onDraw

tests/TileGridTest.cpp

Index: tests/TileGridTest.cpp
diff --git a/tests/TileGridTest.cpp b/tests/TileGridTest.cpp
index c063fb03107fa281cb6efe88262086f5b83f37a3..3cb32070b30bf442c52e47c69ed2e501a1186a76 100644
--- a/tests/TileGridTest.cpp
+++ b/tests/TileGridTest.cpp
@@ -23,7 +23,7 @@
 public:
     MockCanvas(const SkBitmap& bm) : SkCanvas(bm) {}
 
-    virtual void drawRect(const SkRect& rect, const SkPaint&) {
+    void onDrawRect(const SkRect& rect, const SkPaint&) SK_OVERRIDE {
         // This capture occurs before quick reject.
         fRects.push(rect);
     }