Several minor improvements of DirectX capturer

webrtc/modules/desktop_capture/desktop_capture.gypi

 # Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'targets': [
@@ skipping 148 matching lines @@
         }],
       ],
       'all_dependent_settings': {
         'conditions': [
           ['OS=="win"', {
             'msvs_settings': {
               'VCLinkerTool': {
                 'AdditionalDependencies': [
                   'd3d11.lib',
                   'dxgi.lib',
+                  'shcore.lib',
                 ],
               },
             },
           }],
         ],
       },
     },
   ],  # targets
   'conditions': [
     ['OS!="ios" and (target_arch=="ia32" or target_arch=="x64")', {
@@ skipping 13 matching lines @@
               'xcode_settings': {
                 'OTHER_CFLAGS': [ '-msse2', ],
               },
             }],
           ],
         },
       ],  # targets
     }],
   ],
 }