delete the dreaded TransitionView

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 96 matching lines @@
         '../samplecode/SampleText.cpp',
         '../samplecode/SampleTextAlpha.cpp',
         '../samplecode/SampleTextBox.cpp',
         '../samplecode/SampleTextOnPath.cpp',
         '../samplecode/SampleTextureDomain.cpp',
         '../samplecode/SampleTiling.cpp',
         '../samplecode/SampleTinyBitmap.cpp',
         '../samplecode/SampleUnpremul.cpp',
         '../samplecode/SampleVertices.cpp',
         '../samplecode/SampleXfermodesBlur.cpp',
-        '../samplecode/TransitionView.cpp',
-        '../samplecode/TransitionView.h',
 
         # DrawingBoard
         #'../experimental/DrawingBoard/SkColorPalette.h',
         #'../experimental/DrawingBoard/SkColorPalette.cpp',
         #'../experimental/DrawingBoard/SkNetPipeController.h',
         #'../experimental/DrawingBoard/SkNetPipeController.cpp',
         #'../experimental/DrawingBoard/SampleDrawingClient.cpp',
         #'../experimental/DrawingBoard/SampleDrawingServer.cpp',
 
         # Networking
@@ skipping 174 matching lines @@
         }],
       ],
       'msvs_settings': {
         'VCLinkerTool': {
           'SubSystem': '2',
         },
       },
     },
   ],
 }