Rewrite SkTRegistry to take any trivially-copyable type.

Obviously these are all currently function pointers of type T(*)(P) for various
T and P.  In bench refactoring, I'm trying to register a function pointer of
type T(*)(), which can't be done as is (passing P=void doesn't work).  This
also lets us register things like primitives, which is conceivable useful.

BUG=
R=reed@google.com, scroggo@google.com

Review URL: https://codereview.chromium.org/23453031

git-svn-id: http://skia.googlecode.com/svn/trunk@11082 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/images/SkImageDecoder_FactoryDefault.cpp b/src/images/SkImageDecoder_FactoryDefault.cpp
index 565519a..247f571 100644
--- a/src/images/SkImageDecoder_FactoryDefault.cpp
+++ b/src/images/SkImageDecoder_FactoryDefault.cpp
@@ -9,7 +9,6 @@
 #include "SkImageDecoder.h"
 #include "SkMovie.h"
 #include "SkStream.h"
-#include "SkTRegistry.h"
 
 extern SkImageDecoder* image_decoder_from_stream(SkStream*);
 
@@ -19,7 +18,7 @@
 
 /////////////////////////////////////////////////////////////////////////
 
-typedef SkTRegistry<SkMovie*, SkStream*> MovieReg;
+typedef SkTRegistry<SkMovie*(*)(SkStream*)> MovieReg;
 
 SkMovie* SkMovie::DecodeStream(SkStream* stream) {
     const MovieReg* curr = MovieReg::Head();