Rename GrStencilBuffer to GrStencilAttachment

src/gpu/GrRenderTarget.cpp

Index: src/gpu/GrRenderTarget.cpp
diff --git a/src/gpu/GrRenderTarget.cpp b/src/gpu/GrRenderTarget.cpp
index 042e19f6ad6745ea1da528ccfd50d00b19e562ec..59ad3927c051f110a5831c05315a647d7e4e4401 100644
--- a/src/gpu/GrRenderTarget.cpp
+++ b/src/gpu/GrRenderTarget.cpp
@@ -12,7 +12,7 @@
 #include "GrContext.h"
 #include "GrGpu.h"
 #include "GrRenderTargetPriv.h"
-#include "GrStencilBuffer.h"
+#include "GrStencilAttachment.h"
 
 void GrRenderTarget::discard() {
     // go through context so that all necessary flushing occurs
@@ -61,11 +61,11 @@ void GrRenderTarget::onAbandon() {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void GrRenderTargetPriv::didAttachStencilBuffer(GrStencilBuffer* stencilBuffer) {
+void GrRenderTargetPriv::didAttachStencilBuffer(GrStencilAttachment* stencilBuffer) {
     SkRefCnt_SafeAssign(fRenderTarget->fStencilBuffer, stencilBuffer);
 }
 
-GrStencilBuffer* GrRenderTargetPriv::attachStencilBuffer() const {
+GrStencilAttachment* GrRenderTargetPriv::attachStencilBuffer() const {
     if (fRenderTarget->fStencilBuffer) {
         return fRenderTarget->fStencilBuffer;
     }