Makes Screen functions take a const gfx::NativeView

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 35 matching lines @@
     Display display(0, bounds_in_dip);
     if (!Display::HasForceDeviceScaleFactor())
       display.set_device_scale_factor(device_scale_factor);
     display.SetRotationAsDegree(device_info.GetRotationDegrees());
     display.set_color_depth(device_info.GetBitsPerPixel());
     display.set_depth_per_component(device_info.GetBitsPerComponent());
     display.set_is_monochrome(device_info.GetBitsPerComponent() == 0);
     return display;
   }
 
-  Display GetDisplayNearestWindow(gfx::NativeView view) const override {
+  Display GetDisplayNearestWindow(const gfx::NativeView view) const override {
     return GetPrimaryDisplay();
   }
 
   Display GetDisplayNearestPoint(const gfx::Point& point) const override {
     return GetPrimaryDisplay();
   }
 
   int GetNumDisplays() const override { return 1; }
 
   std::vector<Display> GetAllDisplays() const override {
@@ skipping 14 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenAndroid);
 };
 
 Screen* CreateNativeScreen() {
   return new ScreenAndroid;
 }
 
 }  // namespace display