Only do DelegateExecute verb handler registration for Google Chrome.

chrome/installer/util/google_chrome_distribution.cc

Index: chrome/installer/util/google_chrome_distribution.cc
diff --git a/chrome/installer/util/google_chrome_distribution.cc b/chrome/installer/util/google_chrome_distribution.cc
index 118a2832bcdeeac637015f4e7f6acc5c8bba23d8..c314ce61a3db0e5fcb599471caa0d33156ba7f8a 100644
--- a/chrome/installer/util/google_chrome_distribution.cc
+++ b/chrome/installer/util/google_chrome_distribution.cc
@@ -49,6 +49,13 @@ namespace {
 
 const wchar_t kChromeGuid[] = L"{8A69D345-D564-463c-AFF1-A69D9E530F96}";
 const wchar_t kBrowserAppId[] = L"Chrome";
+const wchar_t kCommandExecuteImplUuid[] =
+    L"{5C65F4B0-3651-4514-B207-D10CB699B14B}";
+const wchar_t kDelegateExecuteLibUuid[] =
+    L"{4E805ED8-EBA0-4601-9681-12815A56EBFD}";
+const wchar_t kDelegateExecuteLibVersion[] = L"1.0";
+const wchar_t kICommandExecuteImplUuid[] =
+    L"{0BA0D4E9-2259-4963-B9AE-A839F7CB7544}";
 
 // The following strings are the possible outcomes of the toast experiment
 // as recorded in the |client| field.
@@ -526,6 +533,18 @@ std::wstring GoogleChromeDistribution::GetVersionKey() {
   return key;
 }
 
+bool GoogleChromeDistribution::GetDelegateExecuteHandlerData(
+    string16* handler_class_uuid,
+    string16* type_lib_uuid,
+    string16* type_lib_version,
+    string16* interface_uuid) {
+  *handler_class_uuid = kCommandExecuteImplUuid;
+  *type_lib_uuid = kDelegateExecuteLibUuid;
+  *type_lib_version = kDelegateExecuteLibVersion;
+  *interface_uuid = kICommandExecuteImplUuid;
+  return true;
+}
+
 // This method checks if we need to change "ap" key in Google Update to try
 // full installer as fall back method in case incremental installer fails.
 // - If incremental installer fails we append a magic string ("-full"), if