wip playback splitup test

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
@@ skipping 2809 matching lines @@
  *  against the playback cost of recursing into the subpicture to get at its actual ops.
  *
  *  For now we pick a conservatively small value, though measurement (and other heuristics like
  *  the type of ops contained) may justify changing this value.
  */
 #define kMaxPictureOpsToUnrollInsteadOfRef  1
 
 void SkCanvas::drawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint) {
     RETURN_ON_NULL(picture);
 
-    TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPicture()");
+    TRACE_EVENT0("pras, disabled-by-default-skia", "SkCanvas::drawPicture()");
     if (matrix && matrix->isIdentity()) {
         matrix = nullptr;
     }
     if (picture->approximateOpCount() <= kMaxPictureOpsToUnrollInsteadOfRef) {
         SkAutoCanvasMatrixPaint acmp(this, matrix, paint, picture->cullRect());
         picture->playback(this);
     } else {
         this->onDrawPicture(picture, matrix, paint);
     }
 }
@@ skipping 123 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }