Rearrange SkRecord public API to fit better with cc/resources/picture

src/record/SkRecorder.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 SkRecorder_DEFINED
 #define SkRecorder_DEFINED
 
@@ skipping 10 matching lines @@
     //   are supported, and all of the readback methods on SkCanvas will probably fail or lie.
     //
     //   read-write: all methods should behave with similar semantics to SkCanvas.
     //
     // Write-only averages 10-20% faster, but you can't sensibly inspect the canvas while recording.
     enum Mode { kWriteOnly_Mode, kReadWrite_Mode };
 
     // Does not take ownership of the SkRecord.
     SkRecorder(Mode mode, SkRecord*, int width, int height);
 
+    // Make SkRecorder forget entirely about its SkRecord*; all calls to SkRecorder will fail.
+    void forgetRecord();
+
     void clear(SkColor) SK_OVERRIDE;
     void drawPaint(const SkPaint& paint) SK_OVERRIDE;
     void drawPoints(PointMode mode,
                     size_t count,
                     const SkPoint pts[],
                     const SkPaint& paint) SK_OVERRIDE;
     void drawRect(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE;
     void drawOval(const SkRect& oval, const SkPaint&) SK_OVERRIDE;
     void drawRRect(const SkRRect& rrect, const SkPaint& paint) SK_OVERRIDE;
     void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE;
@@ skipping 68 matching lines @@
     T* copy(const T*);
 
     template <typename T>
     T* copy(const T[], unsigned count);
 
     const Mode fMode;
     SkRecord* fRecord;
 };
 
 #endif//SkRecorder_DEFINED