Add GYP target for sk_tool_utils.* component.

gyp/SampleApp.gyp

 #
 {
   'variables': {
     #manually set sample_pdf_file_viewer to 1 to have the PdfViewer in SampleApp
     'sample_pdf_file_viewer%': 0,
   },
   'targets': [
     {
       'target_name': 'SampleApp',
       'type': 'executable',
@@ skipping 116 matching lines @@
         #'../experimental/Networking/SkSockets.cpp',
         #'../experimental/Networking/SkSockets.h',
 
         # TiledPipeController
         '../src/pipe/utils/SamplePipeControllers.h',
         '../src/pipe/utils/SamplePipeControllers.cpp',
 
         # Lua
         '../src/utils/SkLuaCanvas.cpp',
         '../src/utils/SkLua.cpp',
-
-        # tools
-        '../tools/sk_tool_utils.cpp',
       ],
       'sources!': [
         '../samplecode/SampleSkLayer.cpp', #relies on SkMatrix44 which doesn't compile
         '../samplecode/SampleWarp.cpp',
         '../samplecode/SampleFontCache.cpp',
       ],
       'dependencies': [
         'animator.gyp:animator',
         'etc1.gyp:libetc1',
         'experimental.gyp:experimental',
         'flags.gyp:flags',
         'lua.gyp:lua',
         'pdf.gyp:pdf',
         'resources.gyp:resources',
+        'sk_tool_utils.gyp:sk_tool_utils',
         'skia_lib.gyp:skia_lib',
         'views.gyp:views',
         'views_animated.gyp:views_animated',
         'xml.gyp:xml',
       ],
      'conditions' : [
        [ 'sample_pdf_file_viewer == 1', {
          'defines': [
            'SAMPLE_PDF_FILE_VIEWER',
          ],
@@ skipping 138 matching lines @@
         }],
       ],
       'msvs_settings': {
         'VCLinkerTool': {
           'SubSystem': '2',
         },
       },
     },
   ],
 }