Remove last dependencies on ui/base from ui/gfx

ui/compositor/test/test_suite.cc

Index: ui/compositor/test/test_suite.cc
diff --git a/ui/compositor/test/test_suite.cc b/ui/compositor/test/test_suite.cc
index d6601b0f99247eb2594c29ab8be060f4a059b8ca..b811bfd2e89e7c27aa3f473ac3246b8004bffddc 100644
--- a/ui/compositor/test/test_suite.cc
+++ b/ui/compositor/test/test_suite.cc
@@ -15,6 +15,10 @@
 #include <X11/Xlib.h>
 #endif
 
+#if defined(OS_WIN)
+#include "ui/gfx/win/dpi.h"
+#endif
+
 namespace ui {
 namespace test {
 
@@ -32,6 +36,10 @@ void CompositorTestSuite::Initialize() {
 
   gfx::RegisterPathProvider();
 
+#if defined(OS_WIN)
+  gfx::InitDeviceScaleFactor(1.0f);
+#endif
+
   message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_UI));
 }