Enable subpixel positioning for internal display with dsf larger than 1.0

ui/gfx/switches.cc

Index: ui/gfx/switches.cc
diff --git a/ui/gfx/switches.cc b/ui/gfx/switches.cc
index 6f3da80120f23afa4cbb073c34f158a172f845be..f3f3294b1ec8ef9a2aa7786884e9f00b257c3db2 100644
--- a/ui/gfx/switches.cc
+++ b/ui/gfx/switches.cc
@@ -15,11 +15,6 @@ const char kDisableArbitraryScaleFactorInImageSkia[] =
 // Disables the HarfBuzz port of RenderText on all platforms.
 const char kDisableHarfBuzzRenderText[] = "disable-harfbuzz-rendertext";
 
-// Let text glyphs have X-positions that aren't snapped to the pixel grid in
-// the browser UI.
-const char kEnableBrowserTextSubpixelPositioning[] =
-    "enable-browser-text-subpixel-positioning";
-
 // Enables the HarfBuzz port of RenderText on all platforms.
 const char kEnableHarfBuzzRenderText[] = "enable-harfbuzz-rendertext";