Move texture drawing utility method to SkGpuDevice

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 336 matching lines @@
         this is for testing only */
     void setTextBlobCacheLimit_ForTesting(size_t bytes);
 
     /** Specify the sizes of the GrAtlasTextContext atlases.  The configs pointer below should be
         to an array of 3 entries */
     void setTextContextAtlasSizes_ForTesting(const GrBatchAtlasConfig* configs);
 
     /** Enumerates all cached GPU resources and dumps their memory to traceMemoryDump. */
     void dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const;
 
-    /** Draw font cache texture to render target */
-    void drawFontCache(const SkRect& rect, GrMaskFormat format, const SkPaint& paint,
-                       GrRenderTarget* target);
+    /** Get pointer to atlas texture for given mask format */
+    GrTexture* getFontAtlasTexture(GrMaskFormat format);
 
 private:
     GrGpu*                          fGpu;
     const GrCaps*                   fCaps;
     GrResourceCache*                fResourceCache;
     // this union exists because the inheritance of GrTextureProvider->GrResourceProvider
     // is in a private header.
     union {
         GrResourceProvider*         fResourceProvider;
         GrTextureProvider*          fTextureProvider;
@@ skipping 69 matching lines @@
     /**
      * A callback similar to the above for use by the TextBlobCache
      * TODO move textblob draw calls below context so we can use the call above.
      */
     static void TextBlobCacheOverBudgetCB(void* data);
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif