Reduce calls sites where both the GrDrawContext & GrRenderTarget are both passed

src/gpu/GrTextContext.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 GrTextContext_DEFINED
 #define GrTextContext_DEFINED
 
@@ skipping 10 matching lines @@
 class SkDrawFilter;
 class SkTextBlob;
 
 /*
  * This class wraps the state for a single text render
  */
 class GrTextContext {
 public:
     virtual ~GrTextContext();
 
-    void drawText(GrDrawContext* dc, GrRenderTarget* rt,
+    void drawText(GrDrawContext* dc,
                   const GrClip&,  const GrPaint&, const SkPaint&,
                   const SkMatrix& viewMatrix, const char text[], size_t byteLength, SkScalar x,
                   SkScalar y, const SkIRect& clipBounds);
-    void drawPosText(GrDrawContext* dc, GrRenderTarget* rt,
+    void drawPosText(GrDrawContext* dc,
                      const GrClip&, const GrPaint&, const SkPaint&,
                      const SkMatrix& viewMatrix,
                      const char text[], size_t byteLength,
                      const SkScalar pos[], int scalarsPerPosition,
                      const SkPoint& offset, const SkIRect& clipBounds);
-    virtual void drawTextBlob(GrDrawContext* dc, GrRenderTarget*, const GrClip&, const SkPaint&,
+    virtual void drawTextBlob(GrDrawContext* dc, const GrClip&, const SkPaint&,
                               const SkMatrix& viewMatrix, const SkTextBlob*,
                               SkScalar x, SkScalar y,
                               SkDrawFilter*, const SkIRect& clipBounds);
 
     static bool ShouldDisableLCD(const SkPaint& paint);
 
 protected:
     GrTextContext*                 fFallbackTextContext;
     GrContext*                     fContext;
     SkSurfaceProps                 fSurfaceProps;
 
     GrTextContext(GrContext*, const SkSurfaceProps&);
 
     virtual bool canDraw(const SkPaint&, const SkMatrix& viewMatrix) = 0;
 
-    virtual void onDrawText(GrDrawContext*, GrRenderTarget*, const GrClip&,
+    virtual void onDrawText(GrDrawContext*, const GrClip&,
                             const GrPaint&, const SkPaint&,
                             const SkMatrix& viewMatrix, const char text[], size_t byteLength,
                             SkScalar x, SkScalar y, const SkIRect& clipBounds) = 0;
-    virtual void onDrawPosText(GrDrawContext*, GrRenderTarget*, const GrClip&,
+    virtual void onDrawPosText(GrDrawContext*, const GrClip&,
                                const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset, const SkIRect& clipBounds) = 0;
 
     void drawTextAsPath(GrDrawContext*, const GrClip& clip,
                         const SkPaint& origPaint, const SkMatrix& viewMatrix,
                         const char text[], size_t byteLength, SkScalar x, SkScalar y,
                         const SkIRect& clipBounds);
     void drawPosTextAsPath(GrDrawContext*, const GrClip& clip,
                            const SkPaint& origPaint, const SkMatrix& viewMatrix,
                            const char text[], size_t byteLength,
                            const SkScalar pos[], int scalarsPerPosition,
                            const SkPoint& offset, const SkIRect& clipBounds);
 
     static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache);
     // sets extent in stopVector and returns glyph count
     static int MeasureText(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc,
                            const char text[], size_t byteLength, SkVector* stopVector);
     static uint32_t FilterTextFlags(const SkSurfaceProps& surfaceProps, const SkPaint& paint);
 
     friend class GrAtlasTextBatch;
 };
 
 #endif