Add EXPERIMENTAL_beginRecording() for SkRecord-based recording.

src/record/SkRecordOpts.h

Index: src/record/SkRecordOpts.h
diff --git a/src/record/SkRecordOpts.h b/src/record/SkRecordOpts.h
deleted file mode 100644
index b535ec958ad970b0f6a7bcc77a1766a7ecb53170..0000000000000000000000000000000000000000
--- a/src/record/SkRecordOpts.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkRecordOpts_DEFINED
-#define SkRecordOpts_DEFINED
-
-#include "SkRecord.h"
-
-// Run all optimizations in recommended order.
-void SkRecordOptimize(SkRecord*);
-
-// NoOp away pointless PushCull/PopCull pairs with nothing between them.
-void SkRecordNoopCulls(SkRecord*);
-
-// Turns logical no-op Save-[non-drawing command]*-Restore patterns into actual no-ops.
-void SkRecordNoopSaveRestores(SkRecord*);
-
-// For some SaveLayer-[drawing command]-Restore patterns, merge the SaveLayer's alpha into the
-// draw, and no-op the SaveLayer and Restore.
-void SkRecordNoopSaveLayerDrawRestores(SkRecord*);
-
-// Annotates PushCull commands with the relative offset of their paired PopCull.
-void SkRecordAnnotateCullingPairs(SkRecord*);
-
-// Convert DrawPosText to DrawPosTextH when all the Y coordinates are equal.
-void SkRecordReduceDrawPosTextStrength(SkRecord*);
-
-// Calculate min and max Y bounds for DrawPosTextH commands, for use with SkCanvas::quickRejectY.
-void SkRecordBoundDrawPosTextH(SkRecord*);
-
-#endif//SkRecordOpts_DEFINED