Change SkImageDecoders to take an SkStreamRewindable.

src/images/SkMovie.cpp

Index: src/images/SkMovie.cpp
diff --git a/src/images/SkMovie.cpp b/src/images/SkMovie.cpp
index 2560014965cee524885ebe68d0e8bb5fe382d000..d2439eb6e0f5a66eb33b3ce0401027f4a51323dd 100644
--- a/src/images/SkMovie.cpp
+++ b/src/images/SkMovie.cpp
@@ -92,6 +92,6 @@ SkMovie* SkMovie::DecodeMemory(const void* data, size_t length) {
 }
 
 SkMovie* SkMovie::DecodeFile(const char path[]) {
-    SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path));
+    SkAutoTUnref<SkStreamRewindable> stream(SkStream::NewFromFile(path));
     return stream.get() ? SkMovie::DecodeStream(stream) : NULL;
 }