Enable --high-dpi-support by default. (Note that this is a registry setting. Also, remove dead refe…

ui/gfx/win/dpi.cc

Index: ui/gfx/win/dpi.cc
diff --git a/ui/gfx/win/dpi.cc b/ui/gfx/win/dpi.cc
index 374a2058e140a4c9b5345c988daf3ed4599e9076..6ca65d11e73f3c7ae186806928af43b6d67ce9e9 100644
--- a/ui/gfx/win/dpi.cc
+++ b/ui/gfx/win/dpi.cc
@@ -145,7 +145,6 @@ float GetDPIScale() {
 }
 
 void ForceHighDPISupportForTesting(float scale) {
-  force_highdpi_for_testing = true;
   g_device_scale_factor = scale;
 }
 
@@ -155,8 +154,8 @@ bool IsHighDPIEnabled() {
   // Default is disabled.
   static DWORD value = ReadRegistryValue(
       HKEY_CURRENT_USER, kRegistryProfilePath,
-      kHighDPISupportW, FALSE);
-  return force_highdpi_for_testing || (value == 1);
+      kHighDPISupportW, TRUE);
+  return value != 0;
 }
 
 bool IsInHighDPIMode() {