Add support for drawBitmapRect() to SkMiniRecorder.

src/core/SkMiniRecorder.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkMiniRecorder_DEFINED
 #define SkMiniRecorder_DEFINED
 
 #include "SkRecords.h"
 #include "SkScalar.h"
 #include "SkTypes.h"
 class SkCanvas;
 
 // Records small pictures, but only a limited subset of the canvas API, and may fail.
 class SkMiniRecorder : SkNoncopyable {
 public:
     SkMiniRecorder();
     ~SkMiniRecorder();
 
     // Try to record an op.  Returns false on failure.
+    bool drawBitmapRectToRect(const SkBitmap&, const SkRect* src, const SkRect& dst,
+                              const SkPaint*, SkCanvas::DrawBitmapRectFlags);
     bool drawPath(const SkPath&, const SkPaint&);
     bool drawRect(const SkRect&, const SkPaint&);
     bool drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&);
 
     // Detach anything we've recorded as a picture, resetting this SkMiniRecorder.
     SkPicture* detachAsPicture(const SkRect& cull);
 
     // Flush anything we've recorded to the canvas, resetting this SkMiniRecorder.
     // This is logically the same as but rather more efficient than:
     //    SkAutoTUnref<SkPicture> pic(this->detachAsPicture(SkRect::MakeEmpty()));
     //    pic->playback(canvas);
     void flushAndReset(SkCanvas*);
 
 private:
-    enum class State { kEmpty, kDrawPath, kDrawRect, kDrawTextBlob };
+    enum class State {
+        kEmpty,
+        kDrawBitmapRectToRectFixedSize,
+        kDrawPath,
+        kDrawRect,
+        kDrawTextBlob,
+    };
 
     State fState;
 
     template <size_t A, size_t B>
     struct Max { static const size_t val = A > B ? A : B; };
 
-    static const size_t kInlineStorage = Max<sizeof(SkRecords::DrawPath),
-                                         Max<sizeof(SkRecords::DrawRect),
-                                             sizeof(SkRecords::DrawTextBlob)>::val>::val;
+    static const size_t kInlineStorage =
+        Max<sizeof(SkRecords::DrawBitmapRectToRectFixedSize),
+        Max<sizeof(SkRecords::DrawPath),
+        Max<sizeof(SkRecords::DrawRect),
+            sizeof(SkRecords::DrawTextBlob)>::val>::val>::val;
     SkAlignedSStorage<kInlineStorage> fBuffer;
 };
 
 #endif//SkMiniRecorder_DEFINED