[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/tools/getos.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Determine OS and various other system properties.
 
 Determine the name of the platform used and other system properties such as
 the location of Chrome.  This is used, for example, to determine the correct
 Toolchain to invoke.
@@ skipping 100 matching lines @@
     chrome_path = oshelpers.FindExeInPath(CHROME_EXE_BASENAME)
     if not chrome_path:
       raise Error('CHROME_PATH is undefined, and %s not found in PATH.' %
                   CHROME_EXE_BASENAME)
 
   return os.path.realpath(chrome_path)
 
 
 def GetNaClArch(platform):
   if platform == 'win':
-    # On windows the nacl arch always maches to system arch
+    # On windows the nacl arch always matches to system arch
     return GetSystemArch(platform)
   elif platform == 'mac':
     # On Mac the nacl arch is currently always 32-bit.
     return 'x86_32'
 
-  # On linux the nacl arch matches to chrome arch, so we inspect the chome
+  # On linux the nacl arch matches to chrome arch, so we inspect the chrome
   # binary using objdump
   chrome_path = GetChromePath()
 
   # If CHROME_PATH is set to point to google-chrome or google-chrome
   # was found in the PATH and we are running on UNIX then google-chrome
   # is a bash script that points to 'chrome' in the same folder.
   if os.path.basename(chrome_path) == 'google-chrome':
     chrome_path = os.path.join(os.path.dirname(chrome_path), 'chrome')
 
   try:
@@ skipping 125 matching lines @@
     print out
   return 0
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv[1:]))
   except Error as e:
     sys.stderr.write(str(e) + '\n')
     sys.exit(1)