Remove plumbing of clipRect in GrAtlasTextContext

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 34 matching lines @@
 
     static bool ShouldDisableLCD(const SkPaint& paint);
 
 protected:
     GrTextContext*                 fFallbackTextContext;
     GrContext*                     fContext;
     SkSurfaceProps                 fSurfaceProps;
 
     GrTextContext(GrContext*, const SkSurfaceProps&);
 
-    virtual bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&,
-                         const SkPaint&, const SkMatrix& viewMatrix) = 0;
+    virtual bool canDraw(const SkPaint&, const SkMatrix& viewMatrix) = 0;
 
     virtual void onDrawText(GrDrawContext*, 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(GrDrawContext*, GrRenderTarget*, const GrClip&,
                                const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
@@ skipping 12 matching lines @@
     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