Add GetDisplayWithDisplayId to display::Screen.

ui/display/screen_base.cc

Index: ui/display/screen_base.cc
diff --git a/ui/display/screen_base.cc b/ui/display/screen_base.cc
index de4a85c2b84d8094ae6d8c9ee314d054bcef208c..66b8ce1375e21745715d285d4d3bf0bd69e6be12 100644
--- a/ui/display/screen_base.cc
+++ b/ui/display/screen_base.cc
@@ -54,6 +54,17 @@ display::Display ScreenBase::GetPrimaryDisplay() const {
   return *display_list_.GetPrimaryDisplayIterator();
 }
 
+bool ScreenBase::GetDisplayWithDisplayId(int64_t display_id,
+                                         display::Display* display) const {
+  for (display::Display display_in_list : GetAllDisplays()) {

[sadrul, 2016/09/23 19:51:12]

Iterate over display_list_.displays() to avoid extra copy. Also, const&

[riajiang, 2016/10/05 14:54:11]

Done.

+    if (display_in_list.id() == display_id) {
+      *display = display_in_list;
+      return true;
+    }
+  }
+  return false;
+}
+
 display::Display ScreenBase::GetDisplayNearestWindow(
     gfx::NativeView view) const {
   NOTIMPLEMENTED();