Revert of Deletes mojo::Callback

chrome/utility/image_decoder_impl.cc

Index: chrome/utility/image_decoder_impl.cc
diff --git a/chrome/utility/image_decoder_impl.cc b/chrome/utility/image_decoder_impl.cc
index 1b78b7f4108063d4d0b606ddbd1023ca918b2457..4215e6e9a0ea5b4455f511a7da3a3a8425194df4 100644
--- a/chrome/utility/image_decoder_impl.cc
+++ b/chrome/utility/image_decoder_impl.cc
@@ -41,7 +41,7 @@
     mojo::Array<uint8_t> encoded_data,
     mojom::ImageCodec codec,
     bool shrink_to_fit,
-    const DecodeImageCallback& callback) {
+    const mojo::Callback<void(const SkBitmap&)>& callback) {
   if (encoded_data.size() == 0) {
     callback.Run(SkBitmap());
     return;