Add nanobench tests for BitmapRegionDecoder

bench/subset/SubsetZoomBench.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+#include "CodecBenchPriv.h"
 #include "SubsetZoomBench.h"
 #include "SubsetBenchPriv.h"
 #include "SkData.h"
 #include "SkCodec.h"
 #include "SkImageDecoder.h"
 #include "SkOSFile.h"
 #include "SkScanlineDecoder.h"
 #include "SkStream.h"
 
 /*
@@ skipping 10 matching lines @@
                                  bool useCodec)
     : fColorType(colorType)
     , fSubsetWidth(subsetWidth)
     , fSubsetHeight(subsetHeight)
     , fUseCodec(useCodec)
 {
     // Parse the filename
     SkString baseName = SkOSPath::Basename(path.c_str());
 
     // Choose an informative color name
-    const char* colorName = get_color_name(fColorType);
+    const char* colorName = color_type_to_str(fColorType);
 
     fName.printf("%sSubsetZoom_%dx%d_%s_%s", fUseCodec ? "Codec" : "Image", fSubsetWidth,
             fSubsetHeight, baseName.c_str(), colorName);
     
     // Perform the decode setup
     SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str()));
     fStream.reset(new SkMemoryStream(encoded));
 }
 
 const char* SubsetZoomBench::onGetName() {
@@ skipping 61 matching lines @@
                 SkBitmap bitmap;
                 SkIRect rect = SkIRect::MakeXYWH(subsetStartX, subsetStartY, subsetWidth,
                         subsetHeight);
                 decoder->decodeSubset(&bitmap, rect, fColorType);
                 w <<= 1;
                 h <<= 1;
             } while (w < 2 * width || h < 2 * height);
         }
     }
 }