Remove IsHighDPIEnabled, move EnableHighDPISupport to only place it's used

ui/base/resource/resource_bundle.cc

Index: ui/base/resource/resource_bundle.cc
diff --git a/ui/base/resource/resource_bundle.cc b/ui/base/resource/resource_bundle.cc
index 802ac10c9f02c645190703a125bb9a2ace7595b7..c522e58b969fa6ce7db72d53aa7e6c5d34e09bb8 100644
--- a/ui/base/resource/resource_bundle.cc
+++ b/ui/base/resource/resource_bundle.cc
@@ -629,14 +629,12 @@ void ResourceBundle::InitSharedInstance(Delegate* delegate) {
   supported_scale_factors.push_back(SCALE_FACTOR_200P);
 #elif defined(OS_WIN)
   bool default_to_100P = true;
-  if (gfx::IsHighDPIEnabled()) {
-    // On Windows if the dpi scale is greater than 1.25 on high dpi machines
-    // downscaling from 200 percent looks better than scaling up from 100
-    // percent.
-    if (gfx::GetDPIScale() > 1.25) {
-      supported_scale_factors.push_back(SCALE_FACTOR_200P);
-      default_to_100P = false;
-    }
+  // On Windows if the dpi scale is greater than 1.25 on high dpi machines
+  // downscaling from 200 percent looks better than scaling up from 100
+  // percent.
+  if (gfx::GetDPIScale() > 1.25) {
+    supported_scale_factors.push_back(SCALE_FACTOR_200P);
+    default_to_100P = false;
   }
   if (default_to_100P)
     supported_scale_factors.push_back(SCALE_FACTOR_100P);