Remove SK_API, from SkTSet. the template is not public.

src/pdf/SkTSet.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTSet_DEFINED
 #define SkTSet_DEFINED
 
 #include "SkTDArray.h"
 #include "SkTypes.h"
 
 /** \class SkTSet<T>
 
     The SkTSet template class defines a set.
     Main operations supported now are: add, merge, find and contains.
 
     TSet<T> is mutable.
 */
 
 // TODO: Add remove, intersect and difference operations.
 // TODO: Add bench tests.
-template <typename T> class SK_API SkTSet {
+template <typename T> class SkTSet {
 public:
     SkTSet() {
         fArray = SkNEW(SkTDArray<T>);
     }
 
     ~SkTSet() {
         SkASSERT(fArray);
         SkDELETE(fArray);
     }
 
@@ skipping 236 matching lines @@
         }
         return true;
     }
 #endif
 
 private:
     SkTDArray<T>* fArray;
 };
 
 #endif