Move SkNoSaveLayerCanvas.h to include/utils

src/utils/SkNoSaveLayerCanvas.h

-/*
- * 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 SkNoSaveLayerCanvas_DEFINED
-#define SkNoSaveLayerCanvas_DEFINED
-
-#include "SkCanvas.h"
-#include "SkRRect.h"
-
-// The NoSaveLayerCanvas is used to play back SkPictures when the saveLayer
-// functionality isn't required (e.g., during analysis of the draw calls).
-// It also simplifies the clipping calls to only use rectangles.
-class SkNoSaveLayerCanvas : public SkCanvas {
-public:
-    SkNoSaveLayerCanvas(SkBaseDevice* device) : INHERITED(device) {}
-
-protected:
-    virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint,
-                                            SaveFlags flags) SK_OVERRIDE {
-        this->INHERITED::willSaveLayer(bounds, paint, flags);
-        return kNoLayer_SaveLayerStrategy;
-    }
-
-    // disable aa for speed
-    virtual void onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE {
-        this->INHERITED::onClipRect(rect, op, kHard_ClipEdgeStyle);
-    }
-
-    // for speed, just respect the bounds, and disable AA. May give us a few
-    // false positives and negatives.
-    virtual void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE {
-        this->updateClipConservativelyUsingBounds(path.getBounds(), op,
-                                                  path.isInverseFillType());
-    }
-    virtual void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE {
-        this->updateClipConservativelyUsingBounds(rrect.getBounds(), op, false);
-    }
-
-private:
-    typedef SkCanvas INHERITED;
-};
-
-#endif // SkNoSaveLayerCanvas_DEFINED