Add GrRenderTarget parameter to GrTextContext::canDraw

src/gpu/GrDistanceFieldTextContext.h

Index: src/gpu/GrDistanceFieldTextContext.h
diff --git a/src/gpu/GrDistanceFieldTextContext.h b/src/gpu/GrDistanceFieldTextContext.h
index 129c6e9d8533f09a6d5643098a84c5878c604c1e..6b307d764bc05ada866f2e45a6512bbfe9b60216 100644
--- a/src/gpu/GrDistanceFieldTextContext.h
+++ b/src/gpu/GrDistanceFieldTextContext.h
@@ -50,17 +50,17 @@ private:
 
     GrDistanceFieldTextContext(GrContext*, const SkDeviceProperties&, bool enable);
 
-    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&);
     bool appendGlyph(GrGlyph::PackedID, SkScalar left, SkScalar top, GrFontScaler*);