pdfviewer: add ability to run on gpu

gyp/pdfviewer.gyp

 # GYP file to build pdfviewer.
 #
 # To build on Linux:
 #  ./gyp_skia pdfviewer.gyp && make pdfviewer
 #
 {
   'includes': [
     'apptype_console.gypi',
   ],
   'targets': [
@@ skipping 54 matching lines @@
           'action': ['python', '<(SHARED_INTERMEDIATE_DIR)/generate_code.py', '<(SHARED_INTERMEDIATE_DIR)'],
         },
       ],
       'include_dirs': [
         '../experimental/PdfViewer',
         '../experimental/PdfViewer/pdfparser',
         '../experimental/PdfViewer/pdfparser/native',
         '<(SHARED_INTERMEDIATE_DIR)/native/autogen',
       ],
       'dependencies': [
-        'core.gyp:core',
-        'effects.gyp:effects',
-        'images.gyp:images',
+        'skia_lib.gyp:skia_lib',
         'zlib.gyp:zlib',
       ],
     },
     {
       'target_name': 'pdfviewer',
       'type': 'executable',
       'cflags': ['-fexceptions'],
       'cflags_cc': ['-fexceptions'],
       'cflags!': [ '-fno-exceptions' ],
       'cflags_cc!': [ '-fno-exceptions' ],
       'sources': [
         '../experimental/PdfViewer/pdf_viewer_main.cpp',
       ],
       'include_dirs': [
         '../experimental/PdfViewer',
         '../experimental/PdfViewer/pdfparser',
         '../experimental/PdfViewer/pdfparser/autogen',
         '../experimental/PdfViewer/pdfparser/native',
         '../experimental/PdfViewer/pdfparser/native/autogen',
       ],
       'dependencies': [
-        'core.gyp:core',
+        'skia_lib.gyp:skia_lib',
         'flags.gyp:flags',
         'libpdfviewer',
         'chop_transparency',
       ],
     },
     {
       'target_name': 'chop_transparency',
       'type': 'executable',
       'sources': [
         '../experimental/PdfViewer/chop_transparency_main.cpp',
       ],
       'include_dirs': [
         # For SkBitmapHasher.h
         '../src/utils/',
       ],
       'dependencies': [
         'skia_lib.gyp:skia_lib',
         'flags.gyp:flags',
       ],
     },
   ],
 }
 
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