Add guards to GrTextureProvider

src/gpu/GrResourceProvider.h

Index: src/gpu/GrResourceProvider.h
diff --git a/src/gpu/GrResourceProvider.h b/src/gpu/GrResourceProvider.h
index bffd5724d0dd4fe56ed35cb0011ad31a7752457d..783c7c743b9bea33abca7b7b295ff0ca38ee47d7 100644
--- a/src/gpu/GrResourceProvider.h
+++ b/src/gpu/GrResourceProvider.h
@@ -17,6 +17,7 @@ class GrBatchAtlas;
 class GrIndexBuffer;
 class GrPath;
 class GrRenderTarget;
+class GrSingleOwner;
 class GrStencilAttachment;
 class GrStrokeInfo;
 class GrVertexBuffer;
@@ -35,7 +36,7 @@ class SkTypeface;
  */
 class GrResourceProvider : protected GrTextureProvider {
 public:
-    GrResourceProvider(GrGpu* gpu, GrResourceCache* cache);
+    GrResourceProvider(GrGpu* gpu, GrResourceCache* cache, GrSingleOwner* owner);
 
     template <typename T> T* findAndRefTByUniqueKey(const GrUniqueKey& key) {
         return static_cast<T*>(this->findAndRefResourceByUniqueKey(key));