Support device scale factor test with popups in LayoutTest

ui/views/widget/desktop_aura/desktop_screen_x11.cc

Index: ui/views/widget/desktop_aura/desktop_screen_x11.cc
diff --git a/ui/views/widget/desktop_aura/desktop_screen_x11.cc b/ui/views/widget/desktop_aura/desktop_screen_x11.cc
index 221465432a889d0b32d0c3f1eae502acfc4bb0e5..7486332abd406002661d2735d27a812d0194cb29 100644
--- a/ui/views/widget/desktop_aura/desktop_screen_x11.cc
+++ b/ui/views/widget/desktop_aura/desktop_screen_x11.cc
@@ -10,7 +10,9 @@
 // It clashes with out RootWindow.
 #undef RootWindow
 
+#include "base/command_line.h"
 #include "base/logging.h"
+#include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
@@ -252,6 +254,13 @@ uint32_t DesktopScreenX11::DispatchEvent(const ui::PlatformEvent& event) {
   return ui::POST_DISPATCH_NONE;
 }
 
+// static
+void DesktopScreenX11::UpdateDeviceScaleFactorForTest() {
+  DesktopScreenX11* screen =
+      static_cast<DesktopScreenX11*>(gfx::Screen::GetNativeScreen());
+  screen->ConfigureTimerFired();
+}
+

[sadrul, 2015/12/16 19:13:19]

Perhaps this could go in a TestApi instead.

 ////////////////////////////////////////////////////////////////////////////////
 // DesktopScreenX11, private: