Move xxd.pl script to core/scripts as its used by other core components like XMLTreeViewer

Source/core/core_derived_sources.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 93 matching lines @@
           'action_name': 'generateV8ArrayBufferViewCustomScript',
           'inputs': [
             '<(bindings_dir)/v8/custom/V8ArrayBufferViewCustomScript.js',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/V8ArrayBufferViewCustomScript.h',
           ],
           'msvs_cygwin_shell': 0,
           'action': [
             '<(perl_exe)',
-            'inspector/xxd.pl',
+            'scripts/xxd.pl',
             'V8ArrayBufferViewCustomScript_js',
             '<@(_inputs)',
             '<@(_outputs)'
           ],
           'message': 'Generating V8ArrayBufferViewCustomScript.h from V8ArrayBufferViewCustomScript.js',
         },
         {
           'action_name': 'generateXMLViewerCSS',
           'inputs': [
             'xml/XMLViewer.css',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/XMLViewerCSS.h',
           ],
           'msvs_cygwin_shell': 0,
           'action': [
             '<(perl_exe)',
-            'inspector/xxd.pl',
+            'scripts/xxd.pl',
             'XMLViewer_css',
             '<@(_inputs)',
             '<@(_outputs)'
           ],
         },
         {
           'action_name': 'generateXMLViewerJS',
           'inputs': [
             'xml/XMLViewer.js',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/XMLViewerJS.h',
           ],
           'msvs_cygwin_shell': 0,
           'action': [
             '<(perl_exe)',
-            'inspector/xxd.pl',
+            'scripts/xxd.pl',
             'XMLViewer_js',
             '<@(_inputs)',
             '<@(_outputs)'
           ],
         },
         {
           'action_name': 'HTMLEntityTable',
           'inputs': [
             'html/parser/create-html-entity-table',
             'html/parser/HTMLEntityNames.in',
@@ skipping 534 matching lines @@
             'scripts/make-hash-tools.pl',
             '<(SHARED_INTERMEDIATE_DIR)/blink',
             '<(RULE_INPUT_PATH)',
             '<(gperf_exe)',
           ],
         },
       ],
     },
   ],
 }