remove 'deprecated' region from SkDraw

include/core/SkCanvas.h

 /*
  * Copyright 2006 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.
  */
 
 #ifndef SkCanvas_DEFINED
 #define SkCanvas_DEFINED
 
@@ skipping 14 matching lines @@
 class SkClipStack;
 class SkData;
 class SkDraw;
 class SkDrawable;
 class SkDrawFilter;
 class SkImageFilter;
 class SkMetaData;
 class SkPath;
 class SkPicture;
 class SkPixmap;
+class SkRasterClip;
 class SkRRect;
 struct SkRSXform;
 class SkSurface;
 class SkSurface_Base;
 class SkTextBlob;
 
 /** \class SkCanvas
 
     A Canvas encapsulates all of the state about drawing into a device (bitmap).
     This includes a reference to the device itself, and a stack of matrix/clip
@@ skipping 1207 matching lines @@
 
         /** Return true if the iterator is done */
         bool done() const { return fDone; }
         /** Cycle to the next device */
         void next();
 
         // These reflect the current device in the iterator
 
         SkBaseDevice*   device() const;
         const SkMatrix& matrix() const;
-        const SkRegion& clip() const;
+        const SkRasterClip& clip() const;
         const SkPaint&  paint() const;
         int             x() const;
         int             y() const;
 
     private:
         // used to embed the SkDrawIter object directly in our instance, w/o
         // having to expose that class def to the public. There is an assert
         // in our constructor to ensure that fStorage is large enough
         // (though needs to be a compile-time-assert!). We use intptr_t to work
         // safely with 32 and 64 bit machines (to ensure the storage is enough)
@@ skipping 305 matching lines @@
 
 class SkCanvasClipVisitor {
 public:
     virtual ~SkCanvasClipVisitor();
     virtual void clipRect(const SkRect&, SkRegion::Op, bool antialias) = 0;
     virtual void clipRRect(const SkRRect&, SkRegion::Op, bool antialias) = 0;
     virtual void clipPath(const SkPath&, SkRegion::Op, bool antialias) = 0;
 };
 
 #endif