cc: Directly use property trees to calculate clip rect

cc/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("//testing/test.gni")
 
 component("cc") {
   sources = [
     "animation/animation.cc",
     "animation/animation.h",
@@ skipping 629 matching lines @@
     "test/layer_test_common.cc",
     "test/layer_test_common.h",
     "test/layer_tree_host_common_test.cc",
     "test/layer_tree_host_common_test.h",
     "test/layer_tree_json_parser.cc",
     "test/layer_tree_json_parser.h",
     "test/layer_tree_pixel_resource_test.cc",
     "test/layer_tree_pixel_resource_test.h",
     "test/layer_tree_pixel_test.cc",
     "test/layer_tree_pixel_test.h",
+    "test/layer_tree_settings_for_testing.cc",
+    "test/layer_tree_settings_for_testing.h",
     "test/layer_tree_test.cc",
     "test/layer_tree_test.h",
     "test/mock_helper.h",
     "test/mock_occlusion_tracker.h",
     "test/ordered_simple_task_runner.cc",
     "test/ordered_simple_task_runner.h",
     "test/ordered_texture_map.cc",
     "test/ordered_texture_map.h",
     "test/paths.cc",
     "test/paths.h",
@@ skipping 332 matching lines @@
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   if (is_android) {
     isolate_file = "cc_perftests.isolate"
   }
 }
 # When adding support for isolates, please have a look at run-time dependencies
 # in the cc_unittests_run target in cc_tests.gyp.