store map ptr in GrGeometryBuffer base class

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
 
@@ skipping 13 matching lines @@
 
     GrGLuint bufferID() const { return fImpl.bufferID(); }
     size_t baseOffset() const { return fImpl.baseOffset(); }
 
     void bind() const {
         if (!this->wasDestroyed()) {
             fImpl.bind(this->getGpuGL());
         }
     }
 
-    // overrides of GrIndexBuffer
-    virtual void* map() SK_OVERRIDE;
-    virtual void* mapPtr() const SK_OVERRIDE;
-    virtual void unmap() SK_OVERRIDE;
-    virtual bool isMapped() const SK_OVERRIDE;
-    virtual bool updateData(const void* src, size_t srcSizeInBytes);
-
 protected:
-    // overrides of GrResource
     virtual void onAbandon() SK_OVERRIDE;
     virtual void onRelease() SK_OVERRIDE;
 
 private:
+    virtual void* onMap() SK_OVERRIDE;
+    virtual void onUnmap() SK_OVERRIDE;
+    virtual bool onUpdateData(const void* src, size_t srcSizeInBytes) SK_OVERRIDE;
+
     GrGpuGL* getGpuGL() const {
         SkASSERT(!this->wasDestroyed());
         return (GrGpuGL*)(this->getGpu());
     }
 
     GrGLBufferImpl fImpl;
 
     typedef GrIndexBuffer INHERITED;
 };
 
 #endif