Retract SkPicture::kOptimizeForClippedPlayback_RecordingFlag from public API

src/core/SkRTreePicture.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 "SkRTreePicture.h"
+
+#include "SkRTree.h"
+
+
+SkBBoxHierarchy* SkRTreePicture::createBBoxHierarchy() const {
+    // These values were empirically determined to produce reasonable
+    // performance in most cases.
+    static const int kRTreeMinChildren = 6;
+    static const int kRTreeMaxChildren = 11;
+
+    SkScalar aspectRatio = SkScalarDiv(SkIntToScalar(fWidth),
+                                       SkIntToScalar(fHeight));
+    bool sortDraws = false;  // Do not sort draw calls when bulk loading.
+
+    return SkRTree::Create(kRTreeMinChildren, kRTreeMaxChildren,
+                           aspectRatio, sortDraws);
+}