Revert of Remove installation of Chrome Frame.

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 501 matching lines @@
       </message>
       <message name="IDS_MACHINE_LEVEL_INSTALL_CONFLICT" desc="Error message to display when user tries to run user level Chromium even though machine level Chromium is already installed.">
         An administrator has installed Chromium on this system, and it is available for all users. The system-level Chromium will replace your user-level installation now.
       </message>
       <message name="IDS_INSTALL_HIGHER_VERSION" desc="Error displayed when higher version already exists.">
         This computer already has a more recent version of Chromium. If the software is not working, please uninstall Chromium and try again.
       </message>
       <message name="IDS_INSTALL_HIGHER_VERSION_APP_LAUNCHER" desc="Error displayed when higher version of the Chromium App Launcher already exists.">
         This computer already has a more recent version of the Chromium components. Please use a more recent installer.
       </message>
+      <message name="IDS_INSTALL_HIGHER_VERSION_CF" desc="Error displayed when higher version already exists.">
+        This computer already has a more recent version of Chromium Frame. If the software is not working, please uninstall Chromium Frame and try again.
+      </message>
+      <message name="IDS_INSTALL_HIGHER_VERSION_CB_CF" desc="Error displayed when higher version of Chromium and Chromium Frame already exists">
+        This computer already has a more recent version of Chromium and Chromium Frame. If the software is not working, please uninstall both Chromium and Chromium Frame and try again.
+      </message>
       <message name="IDS_INSTALL_SYSTEM_LEVEL_EXISTS" desc="Error displayed during user level install if system level Chromium Frame is already installed.">
         Chromium Frame is already installed and available to all users of this computer. If you want to install Chromium Frame at the user level, you must first uninstall the system-level version installed by an administrator.
       </message>
       <message name="IDS_INSTALL_FAILED" desc="Error displayed if installation fails due to some unknown error.">
         Installation failed due to unspecified error. If Chromium is currently running, please close it and try again.
       </message>
       <message name="IDS_SAME_VERSION_REPAIR_FAILED" desc="Error displayed if installation fails due to Chrome running.">
         Can not install the same Chromium version that is currently running. Please close Chromium and try again.
       </message>
+      <message name="IDS_SAME_VERSION_REPAIR_FAILED_CF" desc="Error displayed if installation fails due to Chrome running.">
+        Can not install the same Chromium Frame version that is currently running. Please close Chromium Frame and try again.
+      </message>
       <message name="IDS_SETUP_PATCH_FAILED" desc="Error message when setup.exe fails to patch itself.">
         Installation failed due to unspecified error. Please download Chromium again.
       </message>
       <message name="IDS_INSTALL_OS_NOT_SUPPORTED" desc="Error displayed if OS is not supported">
         Chromium requires Windows Vista or Windows XP with SP2 or higher.
       </message>
       <message name="IDS_INSTALL_OS_ERROR" desc="Error displayed when any Windows API call fails and we do not have more specific information.">
         An operating system error occurred during installation. Please download Chromium again.
       </message>
       <message name="IDS_INSTALL_TEMP_DIR_FAILED" desc="Error displayed when we fail to create temporary directory during installation.">
@@ skipping 509 matching lines @@
       </message>
 
       <!-- ProcessSingleton -->
       <message name="IDS_PROFILE_IN_USE_LINUX" desc="Message shown when the browser cannot start because the profile is in use on a different host.">
         The profile appears to be in use by another Chromium process (<ph name="PROCESS_ID">$1<ex>12345</ex></ph>) on another computer (<ph name="HOST_NAME">$2<ex>example.com</ex></ph>). Chromium has locked the profile so that it doesn't get corrupted. If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chromium.
       </message>
 
     </messages>
   </release>
 </grit>