Port xxd.pl to xxd.py (Perl to Python)

Source/build/scripts/xxd.py

Index: Source/build/scripts/xxd.py
diff --git a/Tools/Scripts/print-layout-test-types b/Source/build/scripts/xxd.py
old mode 100755
new mode 100644
similarity index 72%
copy from Tools/Scripts/print-layout-test-types
copy to Source/build/scripts/xxd.py
index 3cc36c64bb26ebaf0e173e0dad4ce8c9b0b1cd52..858236c9a63b88449bfb0cf7ffbc771c10360046
--- a/Tools/Scripts/print-layout-test-types
+++ b/Source/build/scripts/xxd.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python
-#
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,9 +26,25 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+"""Represent a file as a C++ constant string.
+
+Usage:
+python xxd.py VAR SOURCE DEST
+"""
+
 import sys
 
-from webkitpy.common import host
-from webkitpy.layout_tests import print_layout_test_types
 
-print_layout_test_types.main(host.Host(), sys.argv[1:])
+def main():
+    variable_name, input_filename, output_filename = sys.argv[1:]
+    with open(input_filename) as input_file:
+        input_text = input_file.read()
+    hex_values = ['0x{0:02x}'.format(ord(char)) for char in input_text]
+    const_declaration = 'const unsigned char %s[] = {\n%s\n};\n' % (
+        variable_name, ', '.join(hex_values))
+    with open(output_filename, 'w') as output_file:
+        output_file.write(const_declaration)
+
+
+if __name__ == '__main__':
+    sys.exit(main())