ui/gfx: Create a new gfx switches file to put gfx specific switches there.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 629cccbfff0746014d7b103f8878591cea1c9ad4..a7c2e2868691732737d29ccf824eabfae55c0c0b 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -28,6 +28,7 @@
 #include "ui/app_list/app_list_switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/ui_base_switches.h"
+#include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 
 #if defined(USE_ASH)
@@ -751,7 +752,7 @@ const Experiment kExperiments[] = {
     IDS_FLAGS_ENABLE_WEBKIT_TEXT_SUBPIXEL_POSITIONING_NAME,
     IDS_FLAGS_ENABLE_WEBKIT_TEXT_SUBPIXEL_POSITIONING_DESCRIPTION,
     kOsCrOS,
-    SINGLE_VALUE_TYPE(switches::kEnableWebkitTextSubpixelPositioning)
+    SINGLE_VALUE_TYPE(gfx::switches::kEnableWebkitTextSubpixelPositioning)
   },
   {
     "enable-touch-events",