Move texture drawing utility method to SkGpuDevice

include/gpu/GrContext.h

Index: include/gpu/GrContext.h
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 70e7b9f2441ce424aeb9cbf8ee904f5af47a1cc1..fdc6167b14f346358966e455292c2ffe37cc89e2 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -354,9 +354,8 @@ public:
     /** 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;