Revert of Remove installation of Chrome Frame.

chrome/installer/util/browser_distribution.cc

Index: chrome/installer/util/browser_distribution.cc
diff --git a/chrome/installer/util/browser_distribution.cc b/chrome/installer/util/browser_distribution.cc
index 60ff8c51a16a4ae01dce4fd9501d84def0c625bc..399d524032f1ff8eb329efdf0b034e6c36e6a1df 100644
--- a/chrome/installer/util/browser_distribution.cc
+++ b/chrome/installer/util/browser_distribution.cc
@@ -59,7 +59,12 @@
 BrowserDistribution::Type GetCurrentDistributionType() {
   // TODO(erikwright): If the app host is installed, but not Chrome, perhaps
   // this should return CHROME_APP_HOST.
-  return BrowserDistribution::CHROME_BROWSER;
+  static BrowserDistribution::Type type =
+      (MasterPreferences::ForCurrentProcess().install_chrome_frame() ||
+       IsChromeFrameModule()) ?
+          BrowserDistribution::CHROME_FRAME :
+          BrowserDistribution::CHROME_BROWSER;
+  return type;
 }
 
 }  // end namespace