Install a hook to swap between SkPicture backends with a single define.

src/core/SkPictureRecorder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBBoxHierarchyRecord.h"
 #include "SkPictureRecord.h"
 #include "SkPictureRecorder.h"
 #include "SkRecord.h"
 #include "SkRecordDraw.h"
 #include "SkRecorder.h"
 #include "SkTypes.h"
 
 SkPictureRecorder::SkPictureRecorder() {}
 
 SkPictureRecorder::~SkPictureRecorder() {}
 
 SkCanvas* SkPictureRecorder::beginRecording(int width, int height,
                                             SkBBHFactory* bbhFactory /* = NULL */,
                                             uint32_t recordFlags /* = 0 */) {
+#ifdef SK_PICTURE_USE_SK_RECORD
+    return EXPERIMENTAL_beginRecording(width, height, bbhFactory);
+#else
+    return DEPRECATED_beginRecording(width, height, bbhFactory, recordFlags);
+#endif
+}
+
+SkCanvas* SkPictureRecorder::DEPRECATED_beginRecording(int width, int height,
+                                                       SkBBHFactory* bbhFactory /* = NULL */,
+                                                       uint32_t recordFlags /* = 0 */) {
     fWidth = width;
     fHeight = height;
 
     const SkISize size = SkISize::Make(width, height);
 
     if (NULL != bbhFactory) {
         // We don't need to hold a ref on the BBH ourselves, but might as well for
         // consistency with EXPERIMENTAL_beginRecording(), which does need to.
         fBBH.reset((*bbhFactory)(width, height));
         SkASSERT(NULL != fBBH.get());
@@ skipping 58 matching lines @@
     if (NULL != fRecord.get()) {
         SkRecordDraw(*fRecord, canvas, NULL/*bbh*/, NULL/*callback*/);
     }
 
     if (NULL != fPictureRecord.get()) {
         const bool deepCopyOps = true;
         SkPicture picture(fWidth, fHeight, *fPictureRecord.get(), deepCopyOps);
         picture.draw(canvas);
     }
 }