Add GetDisplayWithDisplayId to display::Screen.

ui/views/widget/desktop_aura/desktop_screen_x11.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/widget/desktop_aura/desktop_screen_x11.h"
 
 #include <X11/extensions/Xrandr.h>
 #include <X11/Xlib.h>
 
 // It clashes with out RootWindow.
@@ skipping 152 matching lines @@
 }
 
 int DesktopScreenX11::GetNumDisplays() const {
   return displays_.size();
 }
 
 std::vector<display::Display> DesktopScreenX11::GetAllDisplays() const {
   return displays_;
 }
 
+bool DesktopScreenX11::GetDisplayWithDisplayId(
+    int64_t display_id,
+    display::Display* display) const {
+  for (const display::Display& display_in_list : displays_) {
+    if (display_in_list.id() == display_id) {
+      *display = display_in_list;
+      return true;
+    }
+  }
+  return false;
+}
+
 display::Display DesktopScreenX11::GetDisplayNearestWindow(
     gfx::NativeView window) const {
   if (!window)
     return GetPrimaryDisplay();
 
   // Getting screen bounds here safely is hard.
   //
   // You'd think we'd be able to just call window->GetBoundsInScreen(), but we
   // can't because |window| (and the associated WindowEventDispatcher*) can be
   // partially initialized at this point; WindowEventDispatcher initializations
@@ skipping 221 matching lines @@
       GetPrimaryDisplay().device_scale_factor());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 display::Screen* CreateDesktopScreen() {
   return new DesktopScreenX11;
 }
 
 }  // namespace views