Make GetCommandExecuteImplClsid return the CLSID as a string directly.

chrome/installer/util/chromium_binaries_distribution.cc

Index: chrome/installer/util/chromium_binaries_distribution.cc
diff --git a/chrome/installer/util/chromium_binaries_distribution.cc b/chrome/installer/util/chromium_binaries_distribution.cc
index 3fa43f43ae80aa6eb10466c19ad3e600e40d3652..6db7b81c4f6f873740c8e0b5bf6ed3f47193e540 100644
--- a/chrome/installer/util/chromium_binaries_distribution.cc
+++ b/chrome/installer/util/chromium_binaries_distribution.cc
@@ -106,7 +106,6 @@ bool ChromiumBinariesDistribution::GetChromeChannel(base::string16* channel) {
   return false;
 }
 
-bool ChromiumBinariesDistribution::GetCommandExecuteImplClsid(
-    base::string16* handler_class_uuid) {
-  return false;
+base::string16 ChromiumBinariesDistribution::GetCommandExecuteImplClsid() {
+  return base::string16();
 }