Remove GraphicsContext::applyDeviceScaleFactor()

Source/platform/graphics/GraphicsContext.h

Index: Source/platform/graphics/GraphicsContext.h
diff --git a/Source/platform/graphics/GraphicsContext.h b/Source/platform/graphics/GraphicsContext.h
index 8896ba35491abd0141c2d55232afa271d8293ac7..e01353cffb7a7fdd13ee544d6f5d5fb65f456f18 100644
--- a/Source/platform/graphics/GraphicsContext.h
+++ b/Source/platform/graphics/GraphicsContext.h
@@ -375,10 +375,6 @@ public:
     void scale(float x, float y);
     void rotate(float angleInRadians);
     void translate(float x, float y);
-
-    // This function applies the device scale factor to the context, making the context capable of
-    // acting as a base-level context for a HiDPI environment.
-    void applyDeviceScaleFactor(float deviceScaleFactor) { scale(deviceScaleFactor, deviceScaleFactor); }
     // ---------- End transformation methods -----------------
 
     // URL drawing