remove SK_SUPPORT_LEGACY_DEVICE_CONFIG code

src/gpu/GrPictureUtils.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrPictureUtils.h"
 #include "SkDevice.h"
 #include "SkDraw.h"
@@ skipping 33 matching lines @@
         fEmptyBitmap.setInfo(SkImageInfo::MakeUnknown(fInfo.fSize.fWidth, fInfo.fSize.fHeight));
         fAccelData = accelData;
         fAlreadyDrawn = false;
     }
 
     virtual ~GrGatherDevice() { }
 
     virtual int width() const SK_OVERRIDE { return fInfo.fSize.width(); }
     virtual int height() const SK_OVERRIDE { return fInfo.fSize.height(); }
     virtual bool isOpaque() const SK_OVERRIDE { return false; }
-#ifdef SK_SUPPORT_LEGACY_DEVICE_CONFIG
-    virtual SkBitmap::Config config() const SK_OVERRIDE {
-        return SkBitmap::kNo_Config;
-    }
-#endif
     virtual SkImageInfo imageInfo() const SK_OVERRIDE {
         return fEmptyBitmap.info();
     }
 
 #ifdef SK_SUPPORT_LEGACY_WRITEPIXELSCONFIG
     virtual void writePixels(const SkBitmap& bitmap, int x, int y,
                              SkCanvas::Config8888 config8888) SK_OVERRIDE {
         NotSupported();
     }
 #endif
@@ skipping 209 matching lines @@
 void GatherGPUInfo(const SkPicture* pict, GPUAccelData* accelData) {
     if (0 == pict->width() || 0 == pict->height()) {
         return ;
     }
 
     GrGatherDevice device(pict->width(), pict->height(), pict, accelData, 0);
     GrGatherCanvas canvas(&device, pict);
 
     canvas.gather();
 }