Reland r285145: Remove RendererPreferences font-rendering enums.

content/public/common/renderer_preferences.cc

Index: content/public/common/renderer_preferences.cc
diff --git a/content/public/common/renderer_preferences.cc b/content/public/common/renderer_preferences.cc
index 1e4c6d55ec82770d0839efd0d992a732d91fc263..584b2e82fa79ffe817c74883e740b93f8669de48 100644
--- a/content/public/common/renderer_preferences.cc
+++ b/content/public/common/renderer_preferences.cc
@@ -5,6 +5,7 @@
 #include "content/public/common/renderer_preferences.h"
 
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/font_render_params.h"
 
 namespace {
 // The touchpad / touchscreen fling profiles are a matched set
@@ -21,11 +22,10 @@ namespace content {
 RendererPreferences::RendererPreferences()
     : can_accept_load_drops(true),
       should_antialias_text(true),
-      hinting(RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT),
+      hinting(gfx::FontRenderParams::HINTING_MEDIUM),
       use_autohinter(false),
       use_bitmaps(false),
-      subpixel_rendering(
-          RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT),
+      subpixel_rendering(gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE),
       use_subpixel_positioning(false),
       focus_ring_color(SkColorSetARGB(255, 229, 151, 0)),
       thumb_active_color(SkColorSetRGB(244, 244, 244)),