tools/SkShaper: factor shaping out of using_skia_and_harfbuzz

gyp/tools.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
     # GYP file to build various tools.
 #
 # To build on Linux:
 #  ./gyp_skia tools.gyp && make tools
 #
 {
@@ skipping 426 matching lines @@
       'direct_dependent_settings': {
         'include_dirs': [
           '../include/private',
           '../tools',
         ],
       },
     },
     {
       'target_name': 'using_skia_and_harfbuzz',
       'type': 'executable',
-      'sources': [ '../tools/using_skia_and_harfbuzz.cpp' ],
+      'sources': [
+        '../tools/using_skia_and_harfbuzz.cpp',
+        '../tools/SkShaper.cpp',
+      ],
       'dependencies': [
         'skia_lib.gyp:skia_lib',
         'pdf.gyp:pdf',
         'harfbuzz.gyp:harfbuzz',
       ],
       'cflags': [ '-w', ],
       'msvs_settings': { 'VCCLCompilerTool': { 'WarningLevel': '0', }, },
       'xcode_settings': { 'WARNING_CFLAGS': [ '-w', ], },
     },
     {
@@ skipping 216 matching lines @@
               'pdf.gyp:pdf',
               'gputest.gyp:osmesa',
             ],
             'defines': [ 'FIDDLE_BUILD_TEST' ],
           },
         ],
       },
     ],
   ],
 }