Revert of Remove installation of Chrome Frame.

chrome/installer/setup/setup_util.cc

Index: chrome/installer/setup/setup_util.cc
diff --git a/chrome/installer/setup/setup_util.cc b/chrome/installer/setup/setup_util.cc
index d21abf97bd2346c222e2da73cc2d007b6fd668c8..b7422a2ec784a6bea1ac6487f061c2b6b5325be9 100644
--- a/chrome/installer/setup/setup_util.cc
+++ b/chrome/installer/setup/setup_util.cc
@@ -429,26 +429,6 @@
           install_status == UNINSTALL_REQUIRES_REBOOT);
 }
 
-bool ContainsUnsupportedSwitch(const CommandLine& cmd_line) {
-  static const char* const kLegacySwitches[] = {
-    // Chrome Frame ready-mode.
-    "ready-mode",
-    "ready-mode-opt-in",
-    "ready-mode-temp-opt-out",
-    "ready-mode-end-temp-opt-out",
-    // Chrome Frame quick-enable.
-    "quick-enable-cf",
-    // Installation of Chrome Frame.
-    "chrome-frame",
-    "migrate-chrome-frame",
-  };
-  for (size_t i = 0; i < arraysize(kLegacySwitches); ++i) {
-    if (cmd_line.HasSwitch(kLegacySwitches[i]))
-      return true;
-  }
-  return false;
-}
-
 ScopedTokenPrivilege::ScopedTokenPrivilege(const wchar_t* privilege_name)
     : is_enabled_(false) {
   HANDLE temp_handle;