Make GrDrawState and GrEffectStage use the pending io/exec ref mechanisms.

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
 
+#include "GrBlend.h"
+#include "GrProgramResource.h"
 #include "GrRODrawState.h"
-
-#include "GrBlend.h"
 #include "effects/GrSimpleTextureEffect.h"
 
 /**
  * Modifiable subclass derived from GrRODrawState. The majority of the data that represents a draw
  * state is stored in the parent class. GrDrawState contains methods for setting, adding to, etc.
  * various data members of the draw state. This class is used to configure the state used when
  * issuing draws via GrDrawTarget.
  */
 class GrDrawState : public GrRODrawState {
 public:
@@ skipping 383 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.reset(SkSafeRef(target)); }
+    void setRenderTarget(GrRenderTarget* target) {
+        fRenderTarget.setResource(SkSafeRef(target), GrProgramResource::kWrite_IOType);
+    }
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
     /// @name Stencil
     ////
 
     /**
      * Sets the stencil settings to use for the next draw.
      * Changing the clip has the side-effect of possibly zeroing
@@ skipping 136 matching lines @@
     // Some of the auto restore objects assume that no effects are removed during their lifetime.
     // This is used to assert that this condition holds.
     SkDEBUGCODE(int fBlockEffectRemovalCnt;)
 
     void internalSetVertexAttribs(const GrVertexAttrib attribs[], int count, size_t stride);
 
     typedef GrRODrawState INHERITED;
 };
 
 #endif