pdfviewer: update interface of derived canvas and device, to reflect lastest changes in the interfa…

experimental/PdfViewer/SkTrackDevice.h

 #ifndef EXPERIMENTAL_PDFVIEWER_SKTRACKDEVICE_H_
 #define EXPERIMENTAL_PDFVIEWER_SKTRACKDEVICE_H_
 
 #include "SkDevice.h"
 #include "SkTracker.h"
 
 class SkTrackDevice : public SkDevice {
 public:
     SK_DECLARE_INST_COUNT(SkTrackDevice)
 
@@ skipping 80 matching lines @@
 
     virtual void drawSprite(const SkDraw& dummy1, const SkBitmap& bitmap,
                             int x, int y, const SkPaint& paint) {
         before();
         INHERITED::drawSprite(dummy1, bitmap, x, y, paint);
         after();
     }
 
     virtual void drawBitmapRect(const SkDraw& dummy1, const SkBitmap& dummy2,
                                 const SkRect* srcOrNull, const SkRect& dst,
-                                const SkPaint& paint) {
+                                const SkPaint& paint,
+                                SkCanvas::DrawBitmapRectFlags flags) {
         before();
-        INHERITED::drawBitmapRect(dummy1, dummy2, srcOrNull, dst, paint);
+        INHERITED::drawBitmapRect(dummy1, dummy2, srcOrNull, dst, paint, flags);
         after();
     }
 
     virtual void drawText(const SkDraw& dummy1, const void* text, size_t len,
                           SkScalar x, SkScalar y, const SkPaint& paint) {
         before();
         INHERITED::drawText(dummy1, text, len, x, y, paint);
         after();
     }
 
@@ skipping 53 matching lines @@
         }
     }
 
 private:
     SkTracker* fTracker;
 
     typedef SkDevice INHERITED;
 };
 
 #endif  // EXPERIMENTAL_PDFVIEWER_SKTRACKDEVICE_H_