ui: Add methods to Rect classes to get points at each of the rect's corners.

cc/cc.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'cc_source_files': [
       'active_animation.cc',
       'active_animation.h',
       'animation_curve.cc',
@@ skipping 33 matching lines @@
       'direct_renderer.cc',
       'direct_renderer.h',
       'draw_quad.cc',
       'draw_quad.h',
       'font_atlas.cc',
       'font_atlas.h',
       'frame_rate_controller.cc',
       'frame_rate_controller.h',
       'frame_rate_counter.cc',
       'frame_rate_counter.h',
-      'geometry.h',
       'geometry_binding.cc',
       'geometry_binding.h',
       'gl_renderer.cc',
       'gl_renderer.h',
       'graphics_context.h',
       'hash_pair.h',
       'heads_up_display_layer.cc',
       'heads_up_display_layer.h',
       'heads_up_display_layer_impl.cc',
       'heads_up_display_layer_impl.h',
@@ skipping 210 matching lines @@
       'include_dirs': [
         '<(webkit_src_dir)/Source/Platform/chromium',
         '<@(cc_stubs_dirs)',
       ],
       'sources': [
         '<@(cc_source_files)',
       ],
     },
   ],
 }