Remove IsDIPEnabled from Screen

chrome/browser/extensions/api/system_display/system_display_apitest.cc

 // Copyright 2013 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 "base/debug/leak_annotations.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
 #include "extensions/browser/api/system_display/display_info_provider.h"
 #include "extensions/browser/api/system_display/system_display_api.h"
@@ skipping 55 matching lines @@
       gfx::Rect work_area(0, 0, 960, 720);
       gfx::Display display(i, bounds);
       display.set_work_area(work_area);
       displays_.push_back(display);
     }
   }
   ~MockScreen() override {}
 
  protected:
   // Overridden from gfx::Screen:
-  bool IsDIPEnabled() override { return true; }
   gfx::Point GetCursorScreenPoint() override { return gfx::Point(); }
   gfx::NativeWindow GetWindowUnderCursor() override {
     return gfx::NativeWindow();
   }
   gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override {
     return gfx::NativeWindow();
   }
   int GetNumDisplays() const override { return displays_.size(); }
   std::vector<gfx::Display> GetAllDisplays() const override {
     return displays_;
@@ skipping 203 matching lines @@
   EXPECT_EQ(1, utils::GetInteger(overscan, "left"));
   EXPECT_EQ(2, utils::GetInteger(overscan, "top"));
   EXPECT_EQ(3, utils::GetInteger(overscan, "right"));
   EXPECT_EQ(4, utils::GetInteger(overscan, "bottom"));
 
   EXPECT_EQ("display_id", provider_->GetSetInfoDisplayId());
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace extensions