XPS, DM: add SkDocument::CreateXPS

gyp/dm.gyp

 # GYP for "dm" (Diamond Master, a.k.a Dungeon master, a.k.a GM 2).
 {
     'includes': [ 'apptype_console.gypi' ],
 
     'targets': [{
         'target_name': 'dm',
         'type': 'executable',
         'includes': [
           'dm.gypi',
         ],
@@ skipping 12 matching lines @@
               ],
               'sources': [
                 '../dm/DMSrcSinkAndroid.cpp',
               ],
           }],
           ['skia_poppler_enabled', {
               'sources':      [ '../src/utils/SkPDFRasterizer.cpp' ],
               'defines':      [ 'SK_BUILD_POPPLER' ],
               'dependencies': [ 'poppler.gyp:*' ],
           }],
+          ['skia_os == "win"', { 'dependencies': ['xps.gyp:xps',]}]
         ],
     }]
 }