Let text contexts fall back directly to paths

src/gpu/GrBitmapTextContext.h

Index: src/gpu/GrBitmapTextContext.h
diff --git a/src/gpu/GrBitmapTextContext.h b/src/gpu/GrBitmapTextContext.h
index e181fd2b69616befc8a3c08764d3c6b588f189a0..e389f814806ac113e0e746e44d313bcfea055cb9 100644
--- a/src/gpu/GrBitmapTextContext.h
+++ b/src/gpu/GrBitmapTextContext.h
@@ -19,7 +19,7 @@ class GrTextStrike;
  */
 class GrBitmapTextContext : public GrTextContext {
 public:
-    static GrBitmapTextContext* Create(GrContext*, const SkDeviceProperties&);
+    static GrBitmapTextContext* Create(GrContext*, SkGpuDevice*,  const SkDeviceProperties&);
 
     virtual ~GrBitmapTextContext() {}
 
@@ -37,20 +37,21 @@ private:
     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