Make GrResourceCache2 responsible for calling release, abandon, and ~.

src/gpu/gl/GrGLIndexBuffer.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 GrGLIndexBuffer_DEFINED
 #define GrGLIndexBuffer_DEFINED
 
 #include "GrIndexBuffer.h"
 #include "GrGLBufferImpl.h"
 #include "gl/GrGLInterface.h"
 
 class GrGpuGL;
 
 class GrGLIndexBuffer : public GrIndexBuffer {
 
 public:
     typedef GrGLBufferImpl::Desc Desc;
 
     GrGLIndexBuffer(GrGpuGL* gpu, const Desc& desc);
-    virtual ~GrGLIndexBuffer() { this->release(); }
 
     GrGLuint bufferID() const { return fImpl.bufferID(); }
     size_t baseOffset() const { return fImpl.baseOffset(); }
 
     void bind() const {
         if (!this->wasDestroyed()) {
             fImpl.bind(this->getGpuGL());
         }
     }
 
@@ skipping 10 matching lines @@
         SkASSERT(!this->wasDestroyed());
         return (GrGpuGL*)(this->getGpu());
     }
 
     GrGLBufferImpl fImpl;
 
     typedef GrIndexBuffer INHERITED;
 };
 
 #endif