Revert of Add transfer buffer support.

src/gpu/GrGpu.cpp

Index: src/gpu/GrGpu.cpp
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index a9b283f3cec8a836a743a2078bd5d6a95da31ada..439fe1b70fa9779c9d3e5b0325aebe85d8f7156a 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -20,7 +20,6 @@
 #include "GrRenderTargetPriv.h"
 #include "GrStencilAttachment.h"
 #include "GrSurfacePriv.h"
-#include "GrTransferBuffer.h"
 #include "GrVertexBuffer.h"
 #include "GrVertices.h"
 
@@ -198,12 +197,6 @@
     return ib;
 }
 
-GrTransferBuffer* GrGpu::createTransferBuffer(size_t size, TransferType type) {
-    this->handleDirtyContext();
-    GrTransferBuffer* tb = this->onCreateTransferBuffer(size, type);
-    return tb;
-}
-
 void GrGpu::clear(const SkIRect& rect,
                   GrColor color,
                   GrRenderTarget* renderTarget) {