Revert "Use colorFilters when rendering to an sRGB bitmap."

This reverts commit b851b197497783f894b72edcaed8f93d035ddea0.

Change-Id: I5bb8fe9bf9f5d411674e289c467b3f569f7bb068
diff --git a/libs/hwui/SkiaCanvas.h b/libs/hwui/SkiaCanvas.h
index 6a01f96..af2c23e 100644
--- a/libs/hwui/SkiaCanvas.h
+++ b/libs/hwui/SkiaCanvas.h
@@ -37,8 +37,12 @@
      *  @param canvas SkCanvas to handle calls made to this SkiaCanvas. Must
      *      not be NULL. This constructor does not take ownership, so the caller
      *      must guarantee that it remains valid while the SkiaCanvas is valid.
+     *  @param xformToSRGB Indicates if bitmaps should be xformed to the sRGB
+     *      color space before drawing.  This makes sense for software rendering.
+     *      For the picture case, it may make more sense to leave bitmaps as is,
+     *      and handle the xform when replaying the picture.
      */
-    explicit SkiaCanvas(SkCanvas* canvas);
+    explicit SkiaCanvas(SkCanvas* canvas, XformToSRGB xformToSRGB);
 
     virtual ~SkiaCanvas();
 
@@ -178,9 +182,6 @@
     void drawPoints(const float* points, int count, const SkPaint& paint,
             SkCanvas::PointMode mode);
 
-    const SkPaint* addFilter(const SkPaint* origPaint, SkPaint* tmpPaint,
-            sk_sp<SkColorFilter> colorSpaceFilter);
-
     class Clip;
 
     std::unique_ptr<SkCanvas> mCanvasWrapper; // might own a wrapper on the canvas