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..94c48a3c9affa4a60a715faf758d20ad66c34b0e 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() {}
 
@@ -37,7 +37,7 @@ 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;