Split out methods in GrGpuResource::CacheAccess that can be called outside of the cache.

include/gpu/GrGpuResource.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGpuResource_DEFINED
 #define GrGpuResource_DEFINED
 
@@ skipping 189 matching lines @@
      */
     const SkData* setCustomData(const SkData* data);
 
     /**
      * Returns the custom data object that was attached to this resource by
      * calling setCustomData.
      */
     const SkData* getCustomData() const { return fData.get(); }
 
     /**
-     * Internal-only helper class used for cache manipulations of the reosurce.
+     * Internal-only helper class used for manipulations of the resource by the cache.
      */
     class CacheAccess;
     inline CacheAccess cacheAccess();
     inline const CacheAccess cacheAccess() const;
 
     /**
+     * Internal-only helper class used for manipulations of the resource by internal code.
+     */
+    class ResourcePriv;
+    inline ResourcePriv resourcePriv();
+    inline const ResourcePriv resourcePriv() const;
+
+    /**
      * Removes references to objects in the underlying 3D API without freeing them.
      * Called by CacheAccess.
      * In general this method should not be called outside of skia. It was
      * made by public for a special case where it needs to be called in Blink
      * when a texture becomes unsafe to use after having been shared through
      * a texture mailbox.
      */
     void abandon();
 
 protected:
@@ skipping 65 matching lines @@
     LifeCycle                   fLifeCycle;
     const uint32_t              fUniqueID;
 
     SkAutoTUnref<const SkData>  fData;
 
     typedef GrIORef<GrGpuResource> INHERITED;
     friend class GrIORef<GrGpuResource>; // to access notifyIsPurgeable.
 };
 
 #endif