Revert of Remove installation of Chrome Frame.

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index eade42597dbd3a52a9ed824ddd012cb91b536bce..b99e32a881adbbca1bb058dd8f44065a21c18e19 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -519,6 +519,12 @@
       <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>
@@ -527,6 +533,9 @@
       </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.