Split SkDevice into SkBaseDevice and SkBitmapDevice

src/effects/SkMergeImageFilter.cpp

 /*
  * Copyright 2012 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 "SkMergeImageFilter.h"
 #include "SkCanvas.h"
 #include "SkDevice.h"
@@ skipping 91 matching lines @@
     const SkIRect srcBounds = SkIRect::MakeXYWH(loc->x(), loc->y(),
                                                 src.width(), src.height());
     SkIRect bounds;
     if (!this->filterBounds(srcBounds, ctm, &bounds)) {
         return false;
     }
 
     const int x0 = bounds.left();
     const int y0 = bounds.top();
 
-    SkAutoTUnref<SkDevice> dst(proxy->createDevice(bounds.width(), bounds.height()));
+    SkAutoTUnref<SkBaseDevice> dst(proxy->createDevice(bounds.width(), bounds.height()));
     if (NULL == dst) {
         return false;
     }
     SkCanvas canvas(dst);
     SkPaint paint;
 
     int inputCount = countInputs();
     for (int i = 0; i < inputCount; ++i) {
         SkBitmap tmp;
         const SkBitmap* srcPtr;
@@ skipping 33 matching lines @@
 SkMergeImageFilter::SkMergeImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
     bool hasModes = buffer.readBool();
     if (hasModes) {
         this->initAllocModes();
         SkASSERT(buffer.getArrayCount() == countInputs() * sizeof(fModes[0]));
         buffer.readByteArray(fModes);
     } else {
         fModes = 0;
     }
 }