Rewrite SkTRegistry to take any trivially-copyable type.

tests/skia_test.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCommandLineFlags.h"
 #include "SkGraphics.h"
 #include "SkOSFile.h"
@@ skipping 23 matching lines @@
     void reset() {
         fReg = TestRegistry::Head();
     }
 
     ~Iter() {
         fReporter->unref();
     }
 
     Test* next() {
         if (fReg) {
-            TestRegistry::Factory fact = fReg->factory();
+            TestRegistry::Data fact = fReg->data();
             fReg = fReg->next();
             Test* test = fact(NULL);
             test->setReporter(fReporter);
             return test;
         }
         return NULL;
     }
 
 private:
     Reporter* fReporter;
@@ skipping 209 matching lines @@
     GpuTest::DestroyContexts();
 
     return (failCount == 0) ? 0 : 1;
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif