Remove IsDIPEnabled from Screen

mojo/aura/screen_mojo.cc

 // Copyright (c) 2014 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 "mojo/aura/screen_mojo.h"
 
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect_conversions.h"
 
 namespace mojo {
 
 // static
 ScreenMojo* ScreenMojo::Create() {
   return new ScreenMojo(gfx::Rect(0, 0, 800, 600));
 }
 
 ScreenMojo::~ScreenMojo() {
 }
 
-bool ScreenMojo::IsDIPEnabled() {
-  NOTIMPLEMENTED();
-  return true;
-}
-
 gfx::Point ScreenMojo::GetCursorScreenPoint() {
   NOTIMPLEMENTED();
   return gfx::Point();
 }
 
 gfx::NativeWindow ScreenMojo::GetWindowUnderCursor() {
   return GetWindowAtScreenPoint(GetCursorScreenPoint());
 }
 
 gfx::NativeWindow ScreenMojo::GetWindowAtScreenPoint(const gfx::Point& point) {
@@ skipping 32 matching lines @@
 void ScreenMojo::RemoveObserver(gfx::DisplayObserver* observer) {
 }
 
 ScreenMojo::ScreenMojo(const gfx::Rect& screen_bounds) {
   static int64 synthesized_display_id = 2000;
   display_.set_id(synthesized_display_id++);
   display_.SetScaleAndBounds(1.0f, screen_bounds);
 }
 
 }  // namespace mojo