Make the Mac Info.plist SCM keys generic

chrome/chrome_dll.gypi

 # 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.
 {
   'conditions': [
     ['OS=="mac" or OS=="win"', {
       'targets': [
         {
           'target_name': 'chrome_dll',
           'type': 'none',
@@ skipping 343 matching lines @@
                     '_ChromeMain',
                     '${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}',
                   ],
                 },
                 {
                   # Modify the Info.plist as needed.  The script explains why
                   # this is needed.  This is also done in the chrome target.
                   # The framework needs the Breakpad keys if this feature is
                   # enabled.  It does not need the Keystone keys; these always
                   # come from the outer application bundle.  The framework
-                  # doesn't currently use the Subversion keys for anything,
+                  # doesn't currently use the SCM keys for anything,
                   # but this seems like a really good place to store them.
                   'postbuild_name': 'Tweak Info.plist',
                   'action': ['<(tweak_info_plist_path)',
                              '--breakpad=<(mac_breakpad_compiled_in)',
                              '--breakpad_uploads=<(mac_breakpad_uploads)',
                              '--keystone=0',
-                             '--svn=1',
+                             '--scm=1',
                              '--branding=<(branding)'],
                 },
                 {
                   'postbuild_name': 'Symlink Libraries',
                   'action': [
                     'ln',
                     '-fns',
                     'Versions/Current/Libraries',
                     '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Libraries'
                   ],
@@ skipping 156 matching lines @@
                   ],
                 }],
               ],  # conditions
             }],  # OS=="mac"
           ],  # conditions
         },  # target chrome_dll
       ],  # targets
     }],  # OS=="mac" or OS=="win"
   ],
 }