Tools gdb script renamed class xrange to range for python3.0

Updated gdb script to use range instead of range.

R=hayato, jochen
BUG=380618

Review URL: https://codereview.chromium.org/313833003

git-svn-id: svn://svn.chromium.org/blink/trunk@175643 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Tools/gdb/webkit.py

@@ -41,14 +41,13 @@ import gdb
 import re
 import struct
 
-
 def guess_string_length(ptr):
     """Guess length of string pointed by ptr.
 
     Returns a tuple of (length, an error message).
     """
     # Try to guess at the length.
-    for i in xrange(0, 2048):
+    for i in range(0, 2048):
         try:
             if int((ptr + i).dereference()) == 0:
                 return i, ''
@@ -68,7 +67,7 @@ def ustring_to_string(ptr, length=None):
         length, error_message = guess_string_length(ptr)
     else:
         length = int(length)
-    char_vals = [int((ptr + i).dereference()) for i in xrange(length)]
+    char_vals = [int((ptr + i).dereference()) for i in range(length)]
     string = struct.pack('H' * length, *char_vals).decode('utf-16', 'replace').encode('utf-8')
     return string + error_message
 
@@ -83,7 +82,7 @@ def lstring_to_string(ptr, length=None):
         length, error_message = guess_string_length(ptr)
     else:
         length = int(length)
-    string = ''.join([chr((ptr + i).dereference()) for i in xrange(length)])
+    string = ''.join([chr((ptr + i).dereference()) for i in range(length)])
     return string + error_message
 
 
@@ -120,7 +119,7 @@ class WTFCStringPrinter(StringPrinter):
         # The CString holds a buffer, which is a refptr to a WTF::CStringBuffer.
         data = self.val['m_buffer']['m_ptr']['m_data'].cast(gdb.lookup_type('char').pointer())
         length = self.val['m_buffer']['m_ptr']['m_length']
-        return ''.join([chr((data + i).dereference()) for i in xrange(length)])
+        return ''.join([chr((data + i).dereference()) for i in range(length)])
 
 
 class WTFStringImplPrinter(StringPrinter):