Add GrRenderTarget parameter to GrTextContext::canDraw

src/gpu/GrStencilAndCoverTextContext.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrStencilAndCoverTextContext_DEFINED
 #define GrStencilAndCoverTextContext_DEFINED
 
@@ skipping 51 matching lines @@
     SkPoint                                             fGlyphPositions[kGlyphBufferSize];
     int                                                 fQueuedGlyphCount;
     int                                                 fFallbackGlyphsIdx;
     SkMatrix                                            fContextInitialMatrix;
     SkMatrix                                            fViewMatrix;
     SkMatrix                                            fLocalMatrix;
     bool                                                fUsingDeviceSpaceGlyphs;
 
     GrStencilAndCoverTextContext(GrContext*, const SkDeviceProperties&);
 
-    bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE;
+    bool canDraw(const GrRenderTarget*, const SkPaint&, const SkMatrix& viewMatrix) SK_OVERRIDE;
 
-    virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
-                            const SkMatrix& viewMatrix,
-                            const char text[], size_t byteLength,
-                            SkScalar x, SkScalar y) SK_OVERRIDE;
-    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) SK_OVERRIDE;
+    void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+                    const SkMatrix& viewMatrix,
+                    const char text[], size_t byteLength,
+                    SkScalar x, SkScalar y) SK_OVERRIDE;
+    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) SK_OVERRIDE;
 
     void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
               size_t textByteLength, RenderMode, const SkMatrix& viewMatrix);
     bool mapToFallbackContext(SkMatrix* inverse);
     void appendGlyph(const SkGlyph&, const SkPoint&);
     void flush();
     void finish();
 
 };
 
 #endif