Retrieve and pass subpixel lcd geometry on windows

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 7297cdcb9dfda25f77b90a526d9a3db99ff91536..44c6bcf123715eaacd131387f20d52143267934d 100644
--- a/ui/gfx/font_render_params.cc
+++ b/ui/gfx/font_render_params.cc
@@ -4,6 +4,8 @@
 
 #include "ui/gfx/font_render_params.h"
 
+#include "base/logging.h"
+
 namespace gfx {
 
 FontRenderParams::FontRenderParams()
@@ -17,6 +19,41 @@ FontRenderParams::FontRenderParams()
 
 FontRenderParams::~FontRenderParams() {}
 
+// static
+SkFontHost::LCDOrder FontRenderParams::SubpixelRenderingToSkiaLCDOrder(
+    FontRenderParams::SubpixelRendering subpixel_rendering) {
+  switch (subpixel_rendering) {
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE:
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_RGB:
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_VRGB:
+      return SkFontHost::kRGB_LCDOrder;
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_BGR:
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_VBGR:
+      return SkFontHost::kBGR_LCDOrder;
+  }
+
+  NOTREACHED();
+  return SkFontHost::kRGB_LCDOrder;
+}
+
+// static
+SkFontHost::LCDOrientation
+FontRenderParams::SubpixelRenderingToSkiaLCDOrientation(
+    FontRenderParams::SubpixelRendering subpixel_rendering) {
+  switch (subpixel_rendering) {
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE:
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_RGB:
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_BGR:
+      return SkFontHost::kHorizontal_LCDOrientation;
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_VRGB:
+    case gfx::FontRenderParams::SUBPIXEL_RENDERING_VBGR:
+      return SkFontHost::kVertical_LCDOrientation;
+  }
+
+  NOTREACHED();
+  return SkFontHost::kHorizontal_LCDOrientation;
+}
+
 FontRenderParamsQuery::FontRenderParamsQuery(bool for_web_contents)
     : for_web_contents(for_web_contents),
       pixel_size(0),