Delete SkBitmapRegionCanvas

src/android/SkBitmapRegionDecoder.cpp

Index: src/android/SkBitmapRegionDecoder.cpp
diff --git a/src/android/SkBitmapRegionDecoder.cpp b/src/android/SkBitmapRegionDecoder.cpp
index 101efbda452c49a2e4b9c695246b806ff56025e5..324d1be4a461241e1304f29d7de7b82b490d5a13 100644
--- a/src/android/SkBitmapRegionDecoder.cpp
+++ b/src/android/SkBitmapRegionDecoder.cpp
@@ -5,7 +5,6 @@
  * found in the LICENSE file.
  */
 
-#include "SkBitmapRegionCanvas.h"
 #include "SkBitmapRegionCodec.h"
 #include "SkBitmapRegionDecoder.h"
 #include "SkAndroidCodec.h"
@@ -22,32 +21,6 @@ SkBitmapRegionDecoder* SkBitmapRegionDecoder::Create(
         SkStreamRewindable* stream, Strategy strategy) {
     SkAutoTDelete<SkStreamRewindable> streamDeleter(stream);
     switch (strategy) {
-        case kCanvas_Strategy: {
-            SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(streamDeleter.release()));
-            if (nullptr == codec) {
-                SkCodecPrintf("Error: Failed to create decoder.\n");
-                return nullptr;
-            }
-
-            SkEncodedFormat format = codec->getEncodedFormat();
-            switch (format) {
-                case SkEncodedFormat::kJPEG_SkEncodedFormat:
-                case SkEncodedFormat::kPNG_SkEncodedFormat:
-                    break;
-                default:
-                    // FIXME: Support webp using a special case.  Webp does not support
-                    //        scanline decoding.
-                    return nullptr;
-            }
-
-            // If the image is a jpeg or a png, the scanline ordering should always be
-            // kTopDown or kNone.  It is relevant to check because this implementation
-            // only supports these two scanline orderings.
-            SkASSERT(SkCodec::kTopDown_SkScanlineOrder == codec->getScanlineOrder() ||
-                    SkCodec::kNone_SkScanlineOrder == codec->getScanlineOrder());
-
-            return new SkBitmapRegionCanvas(codec.release());
-        }
         case kAndroidCodec_Strategy: {
             SkAutoTDelete<SkAndroidCodec> codec =
                     SkAndroidCodec::NewFromStream(streamDeleter.release());