Fix Mac resize, delete more Mac code

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../cc/cc.gyp:cc',
     '../cc/cc.gyp:cc_surfaces',
     '../components/components.gyp:display_compositor',
@@ skipping 1370 matching lines @@
       'browser/renderer_host/render_widget_host_view_base.cc',
       'browser/renderer_host/render_widget_host_view_base.h',
       'browser/renderer_host/render_widget_host_view_base_observer.cc',
       'browser/renderer_host/render_widget_host_view_base_observer.h',
       'browser/renderer_host/render_widget_host_view_mac.h',
       'browser/renderer_host/render_widget_host_view_mac.mm',
       'browser/renderer_host/render_widget_host_view_mac_dictionary_helper.h',
       'browser/renderer_host/render_widget_host_view_mac_dictionary_helper.mm',
       'browser/renderer_host/render_widget_host_view_mac_editcommand_helper.h',
       'browser/renderer_host/render_widget_host_view_mac_editcommand_helper.mm',
-      'browser/renderer_host/render_widget_resize_helper_mac.cc',
-      'browser/renderer_host/render_widget_resize_helper_mac.h',
       'browser/renderer_host/renderer_frame_manager.cc',
       'browser/renderer_host/renderer_frame_manager.h',
       'browser/renderer_host/sandbox_ipc_linux.cc',
       'browser/renderer_host/sandbox_ipc_linux.h',
       'browser/renderer_host/text_input_client_mac.h',
       'browser/renderer_host/text_input_client_mac.mm',
       'browser/renderer_host/text_input_client_message_filter.h',
       'browser/renderer_host/text_input_client_message_filter.mm',
       'browser/renderer_host/ui_events_helper.cc',
       'browser/renderer_host/ui_events_helper.h',
@@ skipping 809 matching lines @@
       ],
     }],
     ['OS != "mac" and OS != "android"', {
       'sources!': [
         'browser/gpu/gpu_surface_tracker.cc',
         'browser/gpu/gpu_surface_tracker.h',
       ],
     }],
   ],
 }