Remove image decoder and encoder autoregistration

src/images/SkMovie_gif.cpp

Index: src/images/SkMovie_gif.cpp
diff --git a/src/images/SkMovie_gif.cpp b/src/images/SkMovie_gif.cpp
index 3810db566275feb7ed777f02a7e028055d9a8f4f..47607f6222704332034758d8014bf9f57f3d7062 100644
--- a/src/images/SkMovie_gif.cpp
+++ b/src/images/SkMovie_gif.cpp
@@ -6,8 +6,8 @@
  * found in the LICENSE file.
  */
 
+#include "SkMovie_gif.h"
 
-#include "SkMovie.h"
 #include "SkColor.h"
 #include "SkColorPriv.h"
 #include "SkStream.h"
@@ -426,11 +426,7 @@ bool SkGIFMovie::onGetBitmap(SkBitmap* bm)
     return true;
 }
 
-///////////////////////////////////////////////////////////////////////////////
-
-#include "SkTRegistry.h"
-
-SkMovie* Factory(SkStreamRewindable* stream) {
+SkMovie* SkGIFMovieCreate(SkStreamRewindable* stream) {
     char buf[GIF_STAMP_LEN];
     if (stream->read(buf, GIF_STAMP_LEN) == GIF_STAMP_LEN) {
         if (memcmp(GIF_STAMP,   buf, GIF_STAMP_LEN) == 0 ||
@@ -444,4 +440,3 @@ SkMovie* Factory(SkStreamRewindable* stream) {
     return NULL;
 }
 
-static SkTRegistry<SkMovie*(*)(SkStreamRewindable*)> gReg(Factory);