Remove SkAutoTUnref and SkAutoTDelete from public includes.

src/gpu/gl/GrGLGpu.h

Index: src/gpu/gl/GrGLGpu.h
diff --git a/src/gpu/gl/GrGLGpu.h b/src/gpu/gl/GrGLGpu.h
index 29d20e4b6309011e26e81e5d6800e395760d9208..4420c658fe8d4d856d6b3b1baffe001faeaf20d3 100644
--- a/src/gpu/gl/GrGLGpu.h
+++ b/src/gpu/gl/GrGLGpu.h
@@ -164,10 +164,10 @@ private:
 
     GrBuffer* onCreateBuffer(size_t size, GrBufferType intendedType, GrAccessPattern,
                              const void* data) override;
-    GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership) override;
-    GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
-                                              GrWrapOwnership) override;
-    GrRenderTarget* onWrapBackendTextureAsRenderTarget(const GrBackendTextureDesc&) override;
+    sk_sp<GrTexture> onWrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership) override;
+    sk_sp<GrRenderTarget> onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
+                                                    GrWrapOwnership) override;
+    sk_sp<GrRenderTarget> onWrapBackendTextureAsRenderTarget(const GrBackendTextureDesc&) override;
 
     gr_instanced::InstancedRendering* onCreateInstancedRendering() override;