Add an OR operator overload for SaveFlags to avoid extra static casts.

src/core/SkMatrixClipStateMgr.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 "SkMatrixClipStateMgr.h"
 #include "SkPictureRecord.h"
 
@@ skipping 154 matching lines @@
     fCurMCState->fExpectedDepth++;   // 1 for saveLayer
 #endif
 
     *fStateIDStack.append() = fCurOpenStateID;
     fCurMCState->fSavedSkipOffsets = fSkipOffsets;
 
     // TODO: recycle these rather then new & deleting them on every saveLayer/
     // restore
     fSkipOffsets = SkNEW(SkTDArray<int>);
 
-    fPicRecord->recordSaveLayer(bounds, paint,
-                                (SkCanvas::SaveFlags)(flags| SkCanvas::kMatrixClip_SaveFlag));
+    fPicRecord->recordSaveLayer(bounds, paint, flags | SkCanvas::kMatrixClip_SaveFlag);
 #ifdef SK_DEBUG
     fActualDepth++;
 #endif
     return result;
 }
 
 void SkMatrixClipStateMgr::restore() {
     SkDEBUGCODE(this->validate();)
 
     if (fCurMCState->fIsSaveLayer) {
@@ skipping 224 matching lines @@
 }
 
 int SkMatrixClipStateMgr::addMatToDict(const SkMatrix& mat) {
     if (mat.isIdentity()) {
         return kIdentityMatID;
     }
 
     *fMatrixDict.append() = mat;
     return fMatrixDict.count()-1;
 }