Move IOType to GrGpuRef and rename that to GrIORef. Template GrPendingIORef on IOType.

src/gpu/GrDrawState.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawState_DEFINED
 #define GrDrawState_DEFINED
 
@@ skipping 387 matching lines @@
     ///////////////////////////////////////////////////////////////////////////
     /// @name Render Target
     ////
 
     /**
      * Sets the render-target used at the next drawing call
      *
      * @param target  The render target to set.
      */
     void setRenderTarget(GrRenderTarget* target) {
-        fRenderTarget.set(SkSafeRef(target), GrGpuResourceRef::kWrite_IOType);
+        fRenderTarget.set(SkSafeRef(target), GrIORef::kWrite_IOType);
         this->invalidateOptState();
     }
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
     /// @name Stencil
     ////
 
     /**
@@ skipping 140 matching lines @@
     SkDEBUGCODE(int fBlockEffectRemovalCnt;)
 
     void internalSetVertexAttribs(const GrVertexAttrib attribs[], int count, size_t stride);
 
     mutable GrOptDrawState* fCachedOptState;
 
     typedef GrRODrawState INHERITED;
 };
 
 #endif