cc: Use CheckedNumeric for resource size calculations.

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 385 matching lines @@
     "resources/memory_history.cc",
     "resources/memory_history.h",
     "resources/platform_color.h",
     "resources/prioritized_resource.cc",
     "resources/prioritized_resource.h",
     "resources/prioritized_resource_manager.cc",
     "resources/prioritized_resource_manager.h",
     "resources/priority_calculator.cc",
     "resources/priority_calculator.h",
     "resources/release_callback.h",
-    "resources/resource.cc",
     "resources/resource.h",
     "resources/resource_format.cc",
     "resources/resource_format.h",
     "resources/resource_pool.cc",
     "resources/resource_pool.h",
     "resources/resource_provider.cc",
     "resources/resource_provider.h",
     "resources/resource_update.cc",
     "resources/resource_update.h",
     "resources/resource_update_controller.cc",
@@ skipping 546 matching lines @@
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
 
   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.