Componentize Constrained Window Views

components/constrained_window/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.
+
+static_library("constrained_window") {
+  sources = [
+    "constrained_window_views.cc",
+    "constrained_window_views.h",
+    "constranied_window/constrained_window_views_client.h",
+  ]
+
+  deps = [
+    "//components/web_modal",
+    "//ui/views",
+    "//skia",
+  ]
+}
+
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "constrained_window_views_unittest.cc",
+  ]
+
+  deps = [
+    ":constrained_window",
+    "//ui/views:test_support",
+  ]
+}