Remove bitmap reuse from 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 ccfeb272a3e469852cd7cc980446ca5bc76920f3..94db13965686150f045885b5a7189fb16383bb2a 100644
--- a/src/ports/SkImageDecoder_empty.cpp
+++ b/src/ports/SkImageDecoder_empty.cpp
@@ -27,7 +27,7 @@ bool SkImageDecoder::DecodeFile(const char[], SkBitmap*, SkBitmap::Config,
     return false;
 }
 
-bool SkImageDecoder::decode(SkStream*, SkBitmap*, SkBitmap::Config, Mode, bool) {
+bool SkImageDecoder::decode(SkStream*, SkBitmap*, SkBitmap::Config, Mode) {
     return false;
 }