Make GrTextureStripAtlas flush pending IO on newly acquired texture

include/gpu/GrContext.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrContext_DEFINED
 #define GrContext_DEFINED
 
@@ skipping 289 matching lines @@
         return this->copySurface(dst, src, SkIRect::MakeWH(dst->width(), dst->height()),
                                  SkIPoint::Make(0,0));
     }
 
     /**
      * After this returns any pending writes to the surface will have been issued to the backend 3D API.
      */
     void flushSurfaceWrites(GrSurface* surface);
 
     /**
+     * After this returns any pending reads or writes to the surface will have been issued to the
+     * backend 3D API.
+     */
+    void flushSurfaceIO(GrSurface* surface);
+
+    /**
      * Finalizes all pending reads and writes to the surface and also performs an MSAA resolve
      * if necessary.
      *
      * It is not necessary to call this before reading the render target via Skia/GrContext.
      * GrContext will detect when it must perform a resolve before reading pixels back from the
      * surface or using it as a texture.
      */
     void prepareSurfaceForExternalIO(GrSurface*);
 
     /**
@@ skipping 161 matching lines @@
     SkAutoTUnref<const GrCaps>  fCaps;
     uint32_t                    fContextUniqueID;
 
     friend class GrContext;
     friend class SkImage;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif