Disable LCD text explicitly in SkPictureImageFilter::onFilterImage()

src/gpu/SkGpuDevice.h

Index: src/gpu/SkGpuDevice.h
diff --git a/src/gpu/SkGpuDevice.h b/src/gpu/SkGpuDevice.h
index ef31276d49cb576c49c17a5ca253264daa25ca89..bb6cb487b0b296a2c9592f7382d0f7eb5153cfb6 100644
--- a/src/gpu/SkGpuDevice.h
+++ b/src/gpu/SkGpuDevice.h
@@ -202,6 +202,10 @@ private:
 
     bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
 
+    bool filterTexture(GrContext*, GrTexture*, const SkImageFilter*,
+                       const SkImageFilter::Context&,
+                       SkBitmap* result, SkIPoint* offset);
+
     static SkPicture::AccelData::Key ComputeAccelDataKey();
 
     typedef SkBaseDevice INHERITED;