Revert of default SkPixelSerializer

src/images/SkImageEncoder.cpp

Index: src/images/SkImageEncoder.cpp
diff --git a/src/images/SkImageEncoder.cpp b/src/images/SkImageEncoder.cpp
index cea567816bad7d74c95147490d17307bd4b99e99..cc1b73baa52150de72f20c1543634503d83770f9 100644
--- a/src/images/SkImageEncoder.cpp
+++ b/src/images/SkImageEncoder.cpp
@@ -7,8 +7,6 @@
 
 #include "SkImageEncoder.h"
 #include "SkBitmap.h"
-#include "SkPixelSerializer.h"
-#include "SkPixmap.h"
 #include "SkStream.h"
 #include "SkTemplates.h"
 
@@ -59,33 +57,6 @@
     if (!bm.installPixels(info, const_cast<void*>(pixels), rowBytes)) {
         return nullptr;
     }
-    bm.setImmutable();
-    return SkImageEncoder::EncodeData(bm, t, quality);
+    SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t));
+    return enc.get() ? enc.get()->encodeData(bm, quality) : nullptr;
 }
-
-SkData* SkImageEncoder::EncodeData(const SkPixmap& pixmap,
-                                   Type t, int quality) {
-    SkBitmap bm;
-    if (!bm.installPixels(pixmap.info(),
-                          const_cast<void*>(pixmap.addr()),
-                          pixmap.rowBytes(),
-                          pixmap.ctable(), nullptr, nullptr)) {
-        return nullptr;
-    }
-    bm.setImmutable();
-    return SkImageEncoder::EncodeData(bm, t, quality);
-}
-
-namespace {
-class ImageEncoderPixelSerializer final : public SkPixelSerializer {
-protected:
-    bool onUseEncodedData(const void*, size_t) override { return true; }
-    SkData* onEncode(const SkPixmap& pmap) override {
-        return SkImageEncoder::EncodeData(pmap, SkImageEncoder::kPNG_Type, 100);
-    }
-};
-} // namespace
-
-SkPixelSerializer* SkImageEncoder::CreatePixelSerializer() {
-    return new ImageEncoderPixelSerializer;
-}