Pull cache out of GrContext

src/gpu/GrResourceProvider.h

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrResourceProvider_DEFINED
+#define GrResourceProvider_DEFINED
+
+#include "GrTextureProvider.h"
+
+/**
+ * An extension of the texture provider for arbitrary resource types. This class is intended for
+ * use within the Gr code base, not by clients or extensions (e.g. third party GrProcessor
+ * derivatives).
+ */
+class GrResourceProvider : public GrTextureProvider {
+public:
+
+    GrResourceProvider(GrGpu* gpu, GrResourceCache* cache) : INHERITED(gpu, cache) {}
+
+    using GrTextureProvider::assignUniqueKeyToResource;
+    using GrTextureProvider::findAndRefResourceByUniqueKey;
+    using GrTextureProvider::abandon;
+
+    typedef GrTextureProvider INHERITED;
+};
+
+#endif