Revert of Revert of move remaining virtual draw methods to onDraw (patchset #1 id:1 of https://codereview.chromium.org/835913002/)

Reason for revert:
test to see if it wasn't this CL that broke chromeos

Original issue's description:
> Revert of move remaining virtual draw methods to onDraw (patchset #5 id:80001 of https://codereview.chromium.org/817723005/)
>
> Reason for revert:
> did this cause chromeos heap corruption on skp?
>
> Original issue's description:
> > move remaining virtual draw methods to onDraw
> >
> > BUG=skia:
> >
> > Committed: https://skia.googlesource.com/skia/+/2e0f7d53bba5438c9bf11ee5ccae2c301e348419
>
> TBR=robertphillips@google.com,djsollen@google.com,bsalomon@google.com,mtklein@google.com
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/e87e383351e1547b21d96d02bcd0c3cbbe0837f1

TBR=robertphillips@google.com,djsollen@google.com,bsalomon@google.com,mtklein@google.com,reed@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/831253002
diff --git a/src/utils/SkNWayCanvas.cpp b/src/utils/SkNWayCanvas.cpp
index f696de8..14ad6d6 100644
--- a/src/utils/SkNWayCanvas.cpp
+++ b/src/utils/SkNWayCanvas.cpp
@@ -134,36 +134,36 @@
     this->INHERITED::onClipRegion(deviceRgn, op);
 }
 
-void SkNWayCanvas::drawPaint(const SkPaint& paint) {
+void SkNWayCanvas::onDrawPaint(const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawPaint(paint);
     }
 }
 
-void SkNWayCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[],
-                        const SkPaint& paint) {
+void SkNWayCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],
+                                const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawPoints(mode, count, pts, paint);
     }
 }
 
-void SkNWayCanvas::drawRect(const SkRect& rect, const SkPaint& paint) {
+void SkNWayCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawRect(rect, paint);
     }
 }
 
-void SkNWayCanvas::drawOval(const SkRect& rect, const SkPaint& paint) {
+void SkNWayCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawOval(rect, paint);
     }
 }
 
-void SkNWayCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
+void SkNWayCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawRRect(rrect, paint);
@@ -178,57 +178,54 @@
     }
 }
 
-void SkNWayCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
+void SkNWayCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawPath(path, paint);
     }
 }
 
-void SkNWayCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
-                              const SkPaint* paint) {
+void SkNWayCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
+                                const SkPaint* paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawBitmap(bitmap, x, y, paint);
     }
 }
 
-void SkNWayCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src,
-                                  const SkRect& dst, const SkPaint* paint,
-                                  DrawBitmapRectFlags flags) {
+void SkNWayCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
+                                    const SkPaint* paint, DrawBitmapRectFlags flags) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawBitmapRectToRect(bitmap, src, dst, paint, flags);
     }
 }
 
-void SkNWayCanvas::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
-                                  const SkRect& dst, const SkPaint* paint) {
+void SkNWayCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
+                                    const SkRect& dst, const SkPaint* paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawBitmapNine(bitmap, center, dst, paint);
     }
 }
 
-void SkNWayCanvas::drawImage(const SkImage* image, SkScalar left, SkScalar top,
-                             const SkPaint* paint) {
+void SkNWayCanvas::onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
+                               const SkPaint* paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawImage(image, left, top, paint);
     }
 }
 
-void SkNWayCanvas::drawImageRect(const SkImage* image, const SkRect* src,
-                                 const SkRect& dst,
-                                 const SkPaint* paint) {
+void SkNWayCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
+                                   const SkPaint* paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawImageRect(image, src, dst, paint);
     }
 }
 
-void SkNWayCanvas::drawSprite(const SkBitmap& bitmap, int x, int y,
-                              const SkPaint* paint) {
+void SkNWayCanvas::onDrawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint* paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawSprite(bitmap, x, y, paint);
@@ -283,11 +280,11 @@
     }
 }
 
-void SkNWayCanvas::drawVertices(VertexMode vmode, int vertexCount,
-                          const SkPoint vertices[], const SkPoint texs[],
-                          const SkColor colors[], SkXfermode* xmode,
-                          const uint16_t indices[], int indexCount,
-                          const SkPaint& paint) {
+void SkNWayCanvas::onDrawVertices(VertexMode vmode, int vertexCount,
+                                  const SkPoint vertices[], const SkPoint texs[],
+                                  const SkColor colors[], SkXfermode* xmode,
+                                  const uint16_t indices[], int indexCount,
+                                  const SkPaint& paint) {
     Iter iter(fList);
     while (iter.next()) {
         iter->drawVertices(vmode, vertexCount, vertices, texs, colors, xmode,