Add GrRenderTarget parameter to GrTextContext::canDraw

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 44 matching lines @@
     SkAutoTUnref<GrRenderTarget>   fRenderTarget;
     GrClip                         fClip;
     GrDrawTarget*                  fDrawTarget;
     SkIRect                        fClipRect;
     SkIRect                        fRegionClipBounds;
     GrPaint                        fPaint;
     SkPaint                        fSkPaint;
 
     GrTextContext(GrContext*, SkGpuDevice*, const SkDeviceProperties&);
 
-    virtual bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) = 0;
+    virtual bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&,
+                         const SkPaint&, const SkMatrix& viewMatrix) = 0;
 
     virtual void onDrawText(GrRenderTarget*, 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(GrRenderTarget*, 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;
-    virtual void onDrawTextBlob(GrRenderTarget*, const GrClip&, const SkPaint&,
-                                const SkMatrix& viewMatrix, const SkTextBlob*,
-                                SkScalar x, SkScalar y, SkDrawFilter*, const SkIRect& clipBounds);
 
     void drawTextAsPath(const SkPaint& origPaint, const SkMatrix& viewMatrix,
                         const char text[], size_t byteLength, SkScalar x, SkScalar y,
                         const SkIRect& clipBounds);
     void drawPosTextAsPath(const SkPaint& origPaint, const SkMatrix& viewMatrix,
                            const char text[], size_t byteLength,
                            const SkScalar pos[], int scalarsPerPosition,
                            const SkPoint& offset, const SkIRect& clipBounds);
 
     void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
               const SkIRect& regionClipBounds);
     void finish() { fDrawTarget = NULL; }
 
     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);
 };
 
 #endif