Delete SkImageDecoder

src/ports/SkImageDecoder_empty.cpp

Index: src/ports/SkImageDecoder_empty.cpp
diff --git a/src/ports/SkImageDecoder_empty.cpp b/src/ports/SkImageDecoder_empty.cpp
index f52dada73bc6e1fc09ae3d8bdaa7aaeda6d9c17c..33e07acea6558f21b624835b79708a7398c6a219 100644
--- a/src/ports/SkImageDecoder_empty.cpp
+++ b/src/ports/SkImageDecoder_empty.cpp
@@ -8,74 +8,11 @@
 
 #include "SkBitmap.h"
 #include "SkImage.h"
-#include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkMovie.h"
 #include "SkPixelSerializer.h"
 #include "SkStream.h"
 
-class SkColorTable;
-class SkPngChunkReader;
-
-// Empty implementations for SkImageDecoder.
-
-SkImageDecoder::SkImageDecoder() {}
-
-SkImageDecoder::~SkImageDecoder() {}
-
-SkImageDecoder* SkImageDecoder::Factory(SkStreamRewindable*) {
-    return nullptr;
-}
-
-void SkImageDecoder::copyFieldsToOther(SkImageDecoder* ) {}
-
-bool SkImageDecoder::DecodeFile(const char[], SkBitmap*, SkColorType, Mode, Format*) {
-    return false;
-}
-
-SkImageDecoder::Result SkImageDecoder::decode(SkStream*, SkBitmap*, SkColorType, Mode) {
-    return kFailure;
-}
-
-bool SkImageDecoder::DecodeStream(SkStreamRewindable*, SkBitmap*, SkColorType, Mode, Format*) {
-    return false;
-}
-
-bool SkImageDecoder::DecodeMemory(const void*, size_t, SkBitmap*, SkColorType, Mode, Format*) {
-    return false;
-}
-
-bool SkImageDecoder::decodeYUV8Planes(SkStream*, SkISize[3], void*[3],
-                                      size_t[3], SkYUVColorSpace*) {
-    return false;
-}
-
-SkImageDecoder::Format SkImageDecoder::getFormat() const {
-    return kUnknown_Format;
-}
-
-SkImageDecoder::Format SkImageDecoder::GetStreamFormat(SkStreamRewindable*) {
-    return kUnknown_Format;
-}
-
-const char* SkImageDecoder::GetFormatName(Format) {
-    return nullptr;
-}
-
-SkPngChunkReader* SkImageDecoder::setPeeker(SkPngChunkReader*) {
-    return nullptr;
-}
-
-SkBitmap::Allocator* SkImageDecoder::setAllocator(SkBitmap::Allocator*) {
-    return nullptr;
-}
-
-void SkImageDecoder::setSampleSize(int) {}
-
-bool SkImageDecoder::allocPixelRef(SkBitmap*, SkColorTable*) const {
-    return false;
-}
-
 /////////////////////////////////////////////////////////////////////////
 
 // Empty implementation for SkMovie.