Revert of Implement NativeViewAccessibilityWin using AXPlatformNodeWin.

ui/accessibility/accessibility.gyp

 # Copyright 2013 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': {
     'chromium_code': 1,
   },
 
   'targets': [
@@ skipping 32 matching lines @@
         'ax_tree_update.h',
         'ax_view_state.cc',
         'ax_view_state.h',
         'platform/ax_platform_node.cc',
         'platform/ax_platform_node.h',
         'platform/ax_platform_node_base.cc',
         'platform/ax_platform_node_base.h',
         'platform/ax_platform_node_delegate.h',
         'platform/ax_platform_node_mac.h',
         'platform/ax_platform_node_mac.mm',
-        'platform/ax_platform_node_win.h',
-        'platform/ax_platform_node_win.cc',
-      ],
-      'conditions': [
-        ['OS=="win"', {
-          'dependencies': [
-            '../../third_party/iaccessible2/iaccessible2.gyp:iaccessible2'
-          ],
-        }],
-      ],
+      ]
     },
     {
       'target_name': 'accessibility_test_support',
       'type': 'static_library',
       'dependencies': [
         '../../base/base.gyp:base',
         'accessibility'
       ],
       'sources': [
-        'platform/test_ax_node_wrapper.cc',
-        'platform/test_ax_node_wrapper.h',
         'tree_generator.cc',
-        'tree_generator.h',
+        'tree_generator.h'
       ]
     },
     {
       'target_name': 'accessibility_unittests',
       'type': 'executable',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:run_all_unittests',
         '../../testing/gtest.gyp:gtest',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
         'accessibility',
         'accessibility_test_support',
         'ax_gen',
       ],
       'sources': [
         'ax_generated_tree_unittest.cc',
         'ax_text_utils_unittest.cc',
         'ax_tree_serializer_unittest.cc',
         'ax_tree_unittest.cc',
-        'platform/ax_platform_node_win_unittest.cc'
-      ],
-      'conditions': [
-        ['OS=="win"', {
-          'dependencies': [
-            '../../third_party/iaccessible2/iaccessible2.gyp:iaccessible2'
-          ],
-        }],
-      ],
+      ]
     },
     {
       'target_name': 'ax_gen',
       'type': 'static_library',
       # This target exports a hard dependency because dependent targets may
       # include ax_enums.h, a generated header.
       'hard_dependency': 1,
       'dependencies': [
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations'
         ],
@@ skipping 37 matching lines @@
               'dependencies': [
                 '../../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }