Make the Mac Info.plist SCM keys generic

chrome/chrome_dll.gypi

Index: chrome/chrome_dll.gypi
diff --git a/chrome/chrome_dll.gypi b/chrome/chrome_dll.gypi
index 5156e57850ee3e7743249d4124745e7bcc3a34a9..aa186bf4fef533a40ccc32bfbbeb2d0dca59c4fa 100644
--- a/chrome/chrome_dll.gypi
+++ b/chrome/chrome_dll.gypi
@@ -361,14 +361,14 @@
                   # 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)'],
                 },
                 {