Rename GrStencilBuffer to GrStencilAttachment

src/gpu/gl/GrGLStencilBuffer.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 GrGLStencilBuffer_DEFINED
-#define GrGLStencilBuffer_DEFINED
-
-#include "gl/GrGLInterface.h"
-#include "GrStencilBuffer.h"
-
-class GrGLStencilBuffer : public GrStencilBuffer {
-public:
-    static const GrGLenum kUnknownInternalFormat = ~0U;
-    static const GrGLuint kUnknownBitCount = ~0U;
-    struct Format {
-        GrGLenum  fInternalFormat;
-        GrGLuint  fStencilBits;
-        GrGLuint  fTotalBits;
-        bool      fPacked;
-    };
-
-    struct IDDesc {
-        IDDesc() : fRenderbufferID(0), fLifeCycle(kCached_LifeCycle) {}
-        GrGLuint fRenderbufferID;
-        GrGpuResource::LifeCycle fLifeCycle;
-    };
-
-    GrGLStencilBuffer(GrGpu* gpu,
-                      const IDDesc& idDesc,
-                      int width, int height,
-                      int sampleCnt,
-                      const Format& format)
-        : GrStencilBuffer(gpu, idDesc.fLifeCycle, width, height, format.fStencilBits, sampleCnt)
-        , fFormat(format)
-        , fRenderbufferID(idDesc.fRenderbufferID) {
-        this->registerWithCache();
-    }
-
-    GrGLuint renderbufferID() const {
-        return fRenderbufferID;
-    }
-
-    const Format& format() const { return fFormat; }
-
-protected:
-    // overrides of GrResource
-    void onRelease() override;
-    void onAbandon() override;
-
-private:
-    size_t onGpuMemorySize() const override;
-
-    Format fFormat;
-    // may be zero for external SBs associated with external RTs
-    // (we don't require the client to give us the id, just tell
-    // us how many bits of stencil there are).
-    GrGLuint fRenderbufferID;
-
-    typedef GrStencilBuffer INHERITED;
-};
-
-#endif