Refactor screen/monitor so that gfx::Screen returns monitor object.

ui/views/widget/tooltip_manager_win.cc

Index: ui/views/widget/tooltip_manager_win.cc
diff --git a/ui/views/widget/tooltip_manager_win.cc b/ui/views/widget/tooltip_manager_win.cc
index b805f1752b19dc1f3a96a9504ed3a0d064d8bac4..0e5ea79eb923087bc703a2ce05ada5dfebb00ba2 100644
--- a/ui/views/widget/tooltip_manager_win.cc
+++ b/ui/views/widget/tooltip_manager_win.cc
@@ -61,7 +61,7 @@ gfx::Font TooltipManager::GetDefaultFont() {
 // static
 int TooltipManager::GetMaxWidth(int x, int y) {
   gfx::Rect monitor_bounds =
-      gfx::Screen::GetMonitorAreaNearestPoint(gfx::Point(x, y));
+      gfx::Screen::GetMonitorNearestPoint(gfx::Point(x, y)).bounds();
   // Allow the tooltip to be almost as wide as the screen.
   // Otherwise, we would truncate important text, since we're not word-wrapping
   // the text onto multiple lines.