Add tests for gfx::ScreenRectTo/FromNSRect.

ui/gfx/BUILD.gn

 # Copyright 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.
 
 import("//build/config/ui.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
@@ skipping 117 matching lines @@
     "image/image_skia_util_ios.mm",
     "image/image_skia_util_mac.h",
     "image/image_skia_util_mac.mm",
     "image/image_util.cc",
     "image/image_util.h",
     "image/image_util_ios.mm",
     "interpolated_transform.cc",
     "interpolated_transform.h",
     "linux_font_delegate.cc",
     "linux_font_delegate.h",
+    "mac/coordinate_conversion.h",
+    "mac/coordinate_conversion.mm",
     "mac/scoped_ns_disable_screen_updates.h",
     "native_widget_types.h",
     "nine_image_painter.cc",
     "nine_image_painter.h",
     "path.cc",
     "path.h",
     "path_aura.cc",
     "path_win.cc",
     "path_win.h",
     "path_x11.cc",
@@ skipping 250 matching lines @@
     "geometry/insets_unittest.cc",
     "geometry/matrix3_unittest.cc",
     "geometry/point_unittest.cc",
     "geometry/point3_unittest.cc",
     "geometry/quad_unittest.cc",
     "geometry/rect_unittest.cc",
     "geometry/safe_integer_conversions_unittest.cc",
     "geometry/size_unittest.cc",
     "geometry/vector2d_unittest.cc",
     "geometry/vector3d_unittest.cc",
+    "mac/coordinate_conversion_unittest.mm",
     "range/range_unittest.cc",
     "test/run_all_unittests.cc",
   ]
 
   deps = [
     ":gfx",
     ":test_support",
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
@@ skipping 17 matching lines @@
 if (is_android) {
   generate_jni("gfx_jni_headers") {
     sources = [
       "../android/java/src/org/chromium/ui/gfx/BitmapHelper.java",
       "../android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java",
       "../android/java/src/org/chromium/ui/gfx/ViewConfigurationHelper.java",
     ]
     jni_package = "gfx"
   }
 }