Rewrite SkTRegistry to take any trivially-copyable type.

src/images/SkImageDecoder_FactoryDefault.cpp

Index: src/images/SkImageDecoder_FactoryDefault.cpp
diff --git a/src/images/SkImageDecoder_FactoryDefault.cpp b/src/images/SkImageDecoder_FactoryDefault.cpp
index 565519acc8daab83112f947472cff340a6cff06d..13647181aacf7dfcd645f40350bd8064c87ee299 100644
--- a/src/images/SkImageDecoder_FactoryDefault.cpp
+++ b/src/images/SkImageDecoder_FactoryDefault.cpp
@@ -19,12 +19,12 @@ SkImageDecoder* SkImageDecoder::Factory(SkStream* stream) {
 
 /////////////////////////////////////////////////////////////////////////
 
-typedef SkTRegistry<SkMovie*, SkStream*> MovieReg;
+typedef SkTRegistry<SkMovie*(*)(SkStream*)> MovieReg;
 
 SkMovie* SkMovie::DecodeStream(SkStream* stream) {
     const MovieReg* curr = MovieReg::Head();
     while (curr) {
-        SkMovie* movie = curr->factory()(stream);
+        SkMovie* movie = curr->data()(stream);
         if (movie) {
             return movie;
         }