Add GetDisplayWithDisplayId to display::Screen.

ui/display/android/screen_android.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/display/screen.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "ui/display/display.h"
 #include "ui/gfx/android/device_display_info.h"
@@ skipping 49 matching lines @@
   Display GetDisplayNearestPoint(const gfx::Point& point) const override {
     return GetPrimaryDisplay();
   }
 
   int GetNumDisplays() const override { return 1; }
 
   std::vector<Display> GetAllDisplays() const override {
     return std::vector<Display>(1, GetPrimaryDisplay());
   }
 
+  bool GetDisplayWithDisplayId(int64_t display_id,
+                               Display* display) const override {
+    Display primary_display = GetPrimaryDisplay();
+    if (primary_display.id() == display_id) {
+      *display = primary_display;
+      return true;
+    }

[sadrul, 2016/09/30 03:17:14]

You can probably just do:
  if (display_id == 0) {
    *display = GetPrimaryDisplay();
    return true;
  }
  return false;

Considering the display created always has id 0 (line 46)

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

Done.

+    return false;
+  }
+
   Display GetDisplayMatching(const gfx::Rect& match_rect) const override {
     return GetPrimaryDisplay();
   }
 
   void AddObserver(DisplayObserver* observer) override {
     // no display change on Android.
   }
 
   void RemoveObserver(DisplayObserver* observer) override {
     // no display change on Android.
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenAndroid);
 };
 
 Screen* CreateNativeScreen() {
   return new ScreenAndroid;
 }
 
 }  // namespace display