Let text contexts fall back directly to paths

src/gpu/GrBitmapTextContext.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrBitmapTextContext_DEFINED
 #define GrBitmapTextContext_DEFINED
 
 #include "GrTextContext.h"
 
 #include "GrGeometryProcessor.h"
 
 class GrTextStrike;
 
 /*
  * This class implements GrTextContext using standard bitmap fonts
  */
 class GrBitmapTextContext : public GrTextContext {
 public:
-    static GrBitmapTextContext* Create(GrContext*, const SkDeviceProperties&);
+    static GrBitmapTextContext* Create(GrContext*, SkGpuDevice*,  const SkDeviceProperties&);
 
     virtual ~GrBitmapTextContext() {}
 
 private:
     GrTextStrike*                     fStrike;
     void*                             fVertices;
     int                               fCurrVertex;
     int                               fAllocVertexCount;
     int                               fTotalVertexCount;
     SkRect                            fVertexBounds;
     GrTexture*                        fCurrTexture;
     GrMaskFormat                      fCurrMaskFormat;
     SkAutoTUnref<const GrGeometryProcessor> fCachedGeometryProcessor;
     // Used to check whether fCachedEffect is still valid.
     uint32_t                          fEffectTextureUniqueID;
     SkMatrix                          fLocalMatrix;
 
-    GrBitmapTextContext(GrContext*, const SkDeviceProperties&);
+    GrBitmapTextContext(GrContext*, SkGpuDevice*, const SkDeviceProperties&);
 
     bool canDraw(const SkPaint& paint, 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;
+                            SkScalar x, SkScalar y, const SkIRect& regionClipBounds) 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;
+                               const SkPoint& offset, const SkIRect& regionClipBounds) SK_OVERRIDE;
 
-    void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&);
+    void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+              const SkIRect& regionClipBounds);
     void appendGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*);
     bool uploadGlyph(GrGlyph*, GrFontScaler*);
     void flush();                 // automatically called by destructor
     void finish();
 };
 
 #endif