Refactor read and write buffers.

src/effects/SkResizeImageFilter.cpp

 /*
  * Copyright 2013 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.
  */
 
 #include "SkResizeImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkDevice.h"
 #include "SkColorPriv.h"
-#include "SkFlattenableBuffers.h"
+#include "SkReadBuffer.h"
+#include "SkWriteBuffer.h"
 #include "SkMatrix.h"
 #include "SkRect.h"
 
 SkResizeImageFilter::SkResizeImageFilter(SkScalar sx, SkScalar sy, SkPaint::FilterLevel filterLevel,
                                          SkImageFilter* input)
   : INHERITED(input),
     fSx(sx),
     fSy(sy),
     fFilterLevel(filterLevel) {
 }
 
-SkResizeImageFilter::SkResizeImageFilter(SkFlattenableReadBuffer& buffer)
+SkResizeImageFilter::SkResizeImageFilter(SkReadBuffer& buffer)
   : INHERITED(1, buffer) {
     fSx = buffer.readScalar();
     fSy = buffer.readScalar();
     fFilterLevel = static_cast<SkPaint::FilterLevel>(buffer.readInt());
 }
 
-void SkResizeImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const {
+void SkResizeImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeScalar(fSx);
     buffer.writeScalar(fSy);
     buffer.writeInt(fFilterLevel);
 }
 
 SkResizeImageFilter::~SkResizeImageFilter() {
 }
 
 bool SkResizeImageFilter::onFilterImage(Proxy* proxy,
@@ skipping 29 matching lines @@
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
     paint.setFilterLevel(fFilterLevel);
     canvas.concat(dstMatrix);
     canvas.drawBitmap(src, srcRect.left(), srcRect.top(), &paint);
 
     *result = device.get()->accessBitmap(false);
     offset->fX = dstBounds.fLeft;
     offset->fY = dstBounds.fTop;
     return true;
 }