preemptive add new virtual for onDrawPicture

Source/platform/graphics/LoggingCanvas.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 337 matching lines @@
     this->SkCanvas::onClipRegion(region, op);
 }
 
 void LoggingCanvas::onDrawPicture(const SkPicture* picture)
 {
     AutoLogger logger(this);
     logger.logItemWithParams("drawPicture")->setObject("picture", objectForSkPicture(*picture));
     this->SkCanvas::onDrawPicture(picture);
 }
 
+void LoggingCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint)
+{
+    AutoLogger logger(this);
+    logger.logItemWithParams("drawPicture")->setObject("picture", objectForSkPicture(*picture));
+    this->SkCanvas::onDrawPicture(picture, matrix, paint);
+}
+
 void LoggingCanvas::didSetMatrix(const SkMatrix& matrix)
 {
     AutoLogger logger(this);
     RefPtr<JSONObject> params = logger.logItemWithParams("setMatrix");
     params->setArray("matrix", arrayForSkMatrix(matrix));
     this->SkCanvas::didSetMatrix(matrix);
 }
 
 void LoggingCanvas::didConcat(const SkMatrix& matrix)
 {
@@ skipping 511 matching lines @@
         SkUnichar* textData = dataVector.data();
         paint.glyphsToUnichars(static_cast<const uint16_t*>(text), byteLength / 2, textData);
         return WTF::UTF32LittleEndianEncoding().decode(reinterpret_cast<const char*>(textData), byteLength * 2);
     }
     default:
         ASSERT_NOT_REACHED();
         return "?";
     }
 }
 }