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/SkImageEncoder_Factory.cpp b/src/images/SkImageEncoder_Factory.cpp
index 10f8d64..2931d12 100644
--- a/src/images/SkImageEncoder_Factory.cpp
+++ b/src/images/SkImageEncoder_Factory.cpp
@@ -6,18 +6,13 @@
  * found in the LICENSE file.
  */
 
-
 #include "SkImageEncoder.h"
-#include "SkTRegistry.h"
 
-typedef SkTRegistry<SkImageEncoder*, SkImageEncoder::Type> EncodeReg;
-
-// Can't use the typedef here because of complex C++ corner cases
-template EncodeReg* SkTRegistry<SkImageEncoder*, SkImageEncoder::Type>::gHead;
+template SkImageEncoder_EncodeReg* SkImageEncoder_EncodeReg::gHead;
 
 SkImageEncoder* SkImageEncoder::Create(Type t) {
     SkImageEncoder* codec = NULL;
-    const EncodeReg* curr = EncodeReg::Head();
+    const SkImageEncoder_EncodeReg* curr = SkImageEncoder_EncodeReg::Head();
     while (curr) {
         if ((codec = curr->factory()(t)) != NULL) {
             return codec;