OOPIF support for layout test pixel dumps.

ui/gfx/font_render_params.cc

Index: ui/gfx/font_render_params.cc
diff --git a/ui/gfx/font_render_params.cc b/ui/gfx/font_render_params.cc
index 20fa03dfcf4734b171c0f211601c28ade48cc3ef..15018eaf2ad37c2392a4d066fed1ec4165960a8a 100644
--- a/ui/gfx/font_render_params.cc
+++ b/ui/gfx/font_render_params.cc
@@ -9,13 +9,12 @@
 namespace gfx {
 
 FontRenderParams::FontRenderParams()
-    : antialiasing(true),
-      subpixel_positioning(true),
-      autohinter(false),
+    : antialiasing(false),  // DO NOT SUBMIT - figure out why OOPIFs differ.
+      subpixel_positioning(true),  // when antialiasing is used.
+      autohinter(false),           // this is https://crbug.com/740583.
       use_bitmaps(false),
       hinting(HINTING_MEDIUM),
-      subpixel_rendering(SUBPIXEL_RENDERING_NONE) {
-}
+      subpixel_rendering(SUBPIXEL_RENDERING_NONE) {}
 
 FontRenderParams::FontRenderParams(const FontRenderParams& other) = default;