Only do DelegateExecute verb handler registration for Google Chrome.

chrome/installer/util/chrome_frame_distribution.cc

Index: chrome/installer/util/chrome_frame_distribution.cc
diff --git a/chrome/installer/util/chrome_frame_distribution.cc b/chrome/installer/util/chrome_frame_distribution.cc
index ec84f2350e3dd69d63b9f319a7e1ec476227386f..efa4c3b4717073834275c383565bc6fef68d0098 100644
--- a/chrome/installer/util/chrome_frame_distribution.cc
+++ b/chrome/installer/util/chrome_frame_distribution.cc
@@ -122,6 +122,14 @@ bool ChromeFrameDistribution::CanCreateDesktopShortcuts() {
   return false;
 }
 
+bool ChromeFrameDistribution::GetDelegateExecuteHandlerData(
+    string16* handler_class_uuid,
+    string16* type_lib_uuid,
+    string16* type_lib_version,
+    string16* interface_uuid) {
+  return false;
+}
+
 void ChromeFrameDistribution::UpdateInstallStatus(bool system_install,
     installer::ArchiveType archive_type,
     installer::InstallStatus install_status) {