Give SxS distribution its own registration GUIDs.

chrome/installer/util/google_chrome_distribution_dummy.cc

Index: chrome/installer/util/google_chrome_distribution_dummy.cc
diff --git a/chrome/installer/util/google_chrome_distribution_dummy.cc b/chrome/installer/util/google_chrome_distribution_dummy.cc
index ff7638a3bb770f4a58cb742645df40088c17caa7..c1ddc9329575b23d0094c8039c1a19d221e1a109 100644
--- a/chrome/installer/util/google_chrome_distribution_dummy.cc
+++ b/chrome/installer/util/google_chrome_distribution_dummy.cc
@@ -56,6 +56,16 @@ string16 GoogleChromeDistribution::GetBaseAppId() {
   return string16();
 }
 
+string16 GoogleChromeDistribution::GetBrowserProgIdPrefix() {
+  NOTREACHED();
+  return string16();
+}
+
+string16 GoogleChromeDistribution::GetBrowserProgIdDesc() {
+  NOTREACHED();
+  return string16();
+}
+
 string16 GoogleChromeDistribution::GetInstallSubDir() {
   NOTREACHED();
   return string16();
@@ -121,7 +131,7 @@ string16 GoogleChromeDistribution::GetIconFilename() {
   return string16();
 }
 
-bool GoogleChromeDistribution::GetCommandExecuteImplClsid(
+bool GoogleChromeDistribution::GetCommandExecuteImplClsidString(
     string16* handler_class_uuid) {
   NOTREACHED();
   return false;