Remove --default-device-scale-factor

ui/base/ui_base_switches.cc

Index: ui/base/ui_base_switches.cc
diff --git a/ui/base/ui_base_switches.cc b/ui/base/ui_base_switches.cc
index 0027763908c60156b45600d5b8145b98dd9a0620..b641e088bc996bad0d4ef64e5332193f9f63faa9 100644
--- a/ui/base/ui_base_switches.cc
+++ b/ui/base/ui_base_switches.cc
@@ -6,10 +6,6 @@
 
 namespace switches {
 
-// The default device scale factor to apply to the browser UI and
-// the contents in the absence of a viewport meta tag.
-const char kDefaultDeviceScaleFactor[] = "default-device-scale-factor";
-
 // Let text glyphs have X-positions that aren't snapped to the pixel grid.
 const char kEnableTextSubpixelPositioning[] =
     "enable-text-subpixel-positioning";
@@ -23,6 +19,10 @@ const char kEnableTouchEvents[] = "enable-touch-events";
 // Enables the Views textfield on Windows.
 const char kEnableViewsTextfield[] = "enable-views-textfield";
 
+// Overrides the device scale factor for the browser UI and the
+// contents.
+const char kForceDeviceScaleFactor[] = "force-device-scale-factor";
+
 // Generates a 2x version of resources for which no 2x version is available or
 // the 2x version is of an incorrect size and applies a red mask to the
 // resource. Resources for which hidpi is not supported because of software