Move two utility functions from ash/screen_util.h to ui/wm/core/coordinate_conversion.h

ui/wm/core/coordinate_conversion_unittest.cc

+// Copyright 2017 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/wm/core/coordinate_conversion.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/aura/client/screen_position_client.h"
+#include "ui/aura/test/aura_test_base.h"
+#include "ui/aura/test/test_windows.h"
+#include "ui/wm/core/default_screen_position_client.h"
+
+namespace wm {
+
+typedef aura::test::AuraTestBase CoordinateConversionTest;
+
+TEST_F(CoordinateConversionTest, ConvertRect) {
+  DefaultScreenPositionClient screen_position_client;
+  aura::client::SetScreenPositionClient(root_window(), &screen_position_client);
+  aura::Window* w = aura::test::CreateTestWindowWithBounds(
+      gfx::Rect(10, 20, 100, 200), root_window());
+
+  gfx::Rect r1(10, 20, 100, 120);
+  ConvertRectFromScreen(w, &r1);
+  EXPECT_EQ("0,0 100x120", r1.ToString());
+
+  gfx::Rect r2(0, 0, 100, 200);
+  ConvertRectFromScreen(w, &r2);
+  EXPECT_EQ("-10,-20 100x200", r2.ToString());
+
+  gfx::Rect r3(30, 30, 100, 200);
+  ConvertRectToScreen(w, &r3);
+  EXPECT_EQ("40,50 100x200", r3.ToString());
+
+  gfx::Rect r4(-10, -20, 100, 200);
+  ConvertRectToScreen(w, &r4);
+  EXPECT_EQ("0,0 100x200", r4.ToString());
+
+  aura::client::SetScreenPositionClient(root_window(), nullptr);
+}
+
+}  // namespace wm