Rename SkDrawPictureCallback to SkAbortCallback

src/core/SkPicturePlayback.cpp

Index: src/core/SkPicturePlayback.cpp
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index 94d5190c5e6cadc032f33e7080b689ece30a55cb..dc5f0d68f9e933723b2c221dffd174d364e21fc0 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -5,6 +5,7 @@
  * found in the LICENSE file.
  */
 
+#include "SkAbortCallback.h"
 #include "SkCanvas.h"
 #include "SkPatchUtils.h"
 #include "SkPictureData.h"
@@ -65,7 +66,7 @@ static SkBitmap shallow_copy(const SkBitmap& bitmap) {
     return bitmap;
 }
 
-void SkPicturePlayback::draw(SkCanvas* canvas, SkDrawPictureCallback* callback) {
+void SkPicturePlayback::draw(SkCanvas* canvas, SkAbortCallback* callback) {
     AutoResetOpID aroi(this);
     SkASSERT(0 == fCurOffset);
 
@@ -77,7 +78,7 @@ void SkPicturePlayback::draw(SkCanvas* canvas, SkDrawPictureCallback* callback)
     SkAutoCanvasRestore acr(canvas, false);
 
     while (!reader.eof()) {
-        if (callback && callback->abortDrawing()) {
+        if (callback && callback->abort()) {
             return;
         }