Revert of content: Remove RendererPreferences font-rendering enums.

content/public/common/renderer_preferences.h

Index: content/public/common/renderer_preferences.h
diff --git a/content/public/common/renderer_preferences.h b/content/public/common/renderer_preferences.h
index ce02b173a6b812fe8946adc0fb2fd74a48d51572..43e43c9e58931d42c780a9f283d3f811a4e21427 100644
--- a/content/public/common/renderer_preferences.h
+++ b/content/public/common/renderer_preferences.h
@@ -17,9 +17,25 @@
 
 #include "content/common/content_export.h"
 #include "third_party/skia/include/core/SkColor.h"
-#include "ui/gfx/font_render_params.h"
 
 namespace content {
+
+enum RendererPreferencesHintingEnum {
+  RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT = 0,
+  RENDERER_PREFERENCES_HINTING_NONE,
+  RENDERER_PREFERENCES_HINTING_SLIGHT,
+  RENDERER_PREFERENCES_HINTING_MEDIUM,
+  RENDERER_PREFERENCES_HINTING_FULL,
+};
+
+enum RendererPreferencesSubpixelRenderingEnum {
+  RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT = 0,
+  RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE,
+  RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB,
+  RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR,
+  RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB,
+  RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR,
+};
 
 enum TapMultipleTargetsStrategy {
   TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM = 0,
@@ -43,7 +59,7 @@
 
   // The level of hinting to use when rendering text.
   // Currently only used by Linux.
-  gfx::FontRenderParams::Hinting hinting;
+  RendererPreferencesHintingEnum hinting;
 
   // Whether auto hinter should be used. Currently only used by Linux.
   bool use_autohinter;
@@ -54,7 +70,7 @@
 
   // The type of subpixel rendering to use for text.
   // Currently only used by Linux.
-  gfx::FontRenderParams::SubpixelRendering subpixel_rendering;
+  RendererPreferencesSubpixelRenderingEnum subpixel_rendering;
 
   // Whether subpixel positioning should be used, permitting fractional X
   // positions for glyphs.  Currently only used by Linux.