split SkPictureRecorder out of SkPicture

src/core/SkQuadTreePicture.h

Index: src/core/SkQuadTreePicture.h
===================================================================
--- src/core/SkQuadTreePicture.h	(revision 14159)
+++ src/core/SkQuadTreePicture.h	(working copy)
@@ -24,6 +24,18 @@
     virtual SkBBoxHierarchy* createBBoxHierarchy() const SK_OVERRIDE;
 private:
     SkIRect fBounds;
+
+    typedef SkPicture INHERITED;
 };
 
+class SkQuadTreePictureFactory : public SkPictureFactory {
+private:
+    virtual SkPicture* create(int width, int height) SK_OVERRIDE {
+        return SkNEW_ARGS(SkQuadTreePicture, (SkIRect::MakeWH(width, height)));
+    }
+
+private:
+    typedef SkPictureFactory INHERITED;
+};
+
 #endif