Move Syzygy build related things to their own directory with an OWNERS file, and add an allocation …

pdf/pdf.gyp

 {
   'variables': {
     'chromium_code': 1,
     'pdf_engine%': 0,  # 0 PDFium
   },
   'target_defaults': {
     'cflags': [
       '-fPIC',
     ],
   },
@@ skipping 167 matching lines @@
               'action_name': 'Instrument PDFium with SyzyAsan',
               'inputs': [
                 '<(PRODUCT_DIR)/pdf.dll',
               ],
               'outputs': [
                 '<(dest_dir)/pdf.dll',
                 '<(dest_dir)/pdf.dll.pdb',
               ],
               'action': [
                 'python',
-                '<(DEPTH)/chrome/tools/build/win/syzygy_instrument.py',
+                '<(DEPTH)/chrome/tools/build/win/syzygy/instrument.py',
                 '--mode', 'asan',
                 '--input_executable', '<(PRODUCT_DIR)/pdf.dll',
                 '--input_symbol', '<(PRODUCT_DIR)/pdf.dll.pdb',
                 '--destination_dir', '<(dest_dir)',
               ],
             },
           ],
         },
       ],
     }],  # OS=="win" and fastbuild==0 and target_arch=="ia32" and syzyasan==1
   ],
 }