Pass Rendertarget into context

src/gpu/GrDistanceFieldTextContext.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDistanceFieldTextContext_DEFINED
 #define GrDistanceFieldTextContext_DEFINED
 
@@ skipping 34 matching lines @@
     int                                fAllocVertexCount;
     int                                fTotalVertexCount;
     GrTexture*                         fCurrTexture;
     SkRect                             fVertexBounds;
     SkMatrix                           fViewMatrix;
 
     GrDistanceFieldTextContext(GrContext*, const SkDeviceProperties&, bool enable);
 
     bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE;
 
-    virtual void onDrawText(const GrPaint&, const SkPaint&, const SkMatrix& viewMatrix,
+    virtual void onDrawText(GrRenderTarget*, const GrPaint&, const SkPaint&,
+                            const SkMatrix& viewMatrix,
                             const char text[], size_t byteLength,
                             SkScalar x, SkScalar y) SK_OVERRIDE;
-    virtual void onDrawPosText(const GrPaint&, const SkPaint&, const SkMatrix& viewMatrix,
+    virtual void onDrawPosText(GrRenderTarget*, const GrPaint&, const SkPaint&,
+                               const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset) SK_OVERRIDE;
 
-    void init(const GrPaint&, const SkPaint&);
+    void init(GrRenderTarget*, const GrPaint&, const SkPaint&);
     bool appendGlyph(GrGlyph::PackedID, SkScalar left, SkScalar top, GrFontScaler*);
     bool uploadGlyph(GrGlyph*, GrFontScaler*);
     void setupCoverageEffect(const SkColor& filteredColor);
     void flush();                 // automatically called by destructor
     void finish();
 };
 
 #endif