Add conversion from SaveLayerFlags to SaveFlags

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 1116 matching lines @@
     uint32_t layerFlags = 0;
 
     if (0 == (flags & kClipToLayer_SaveFlag)) {
         layerFlags |= kDontClipToLayer_PrivateSaveLayerFlag;
     }
     if (0 == (flags & kHasAlphaLayer_SaveFlag)) {
         layerFlags |= kIsOpaque_SaveLayerFlag;
     }
     return layerFlags;
 }
+
+uint32_t SkCanvas::SaveLayerFlagsToSaveFlags(SaveLayerFlags layerFlags) {
+    uint32_t saveFlags = 0;
+
+    if (0 == (layerFlags & kDontClipToLayer_PrivateSaveLayerFlag)) {
+        saveFlags |= kClipToLayer_SaveFlag;
+    }
+    if (0 == (layerFlags & kIsOpaque_SaveLayerFlag)) {
+        saveFlags |= kHasAlphaLayer_SaveFlag;
+    }
+    return saveFlags;
+}
 #endif
 
 int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint) {
     return this->saveLayer(SaveLayerRec(bounds, paint, 0));
 }
 
 #ifdef SK_SUPPORT_LEGACY_SAVEFLAGS
 int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags) {
     return this->saveLayer(SaveLayerRec(bounds, paint, SaveFlagsToSaveLayerFlags(flags)));
 }
@@ skipping 1863 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }