Give SxS distribution its own registration GUIDs.

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 f968178886a1db002cd95f9be4d4371f5013a276..62f42adb1ba08789b201cf363f3483f034d1eb77 100644
--- a/chrome/installer/util/chrome_frame_distribution.cc
+++ b/chrome/installer/util/chrome_frame_distribution.cc
@@ -36,6 +36,11 @@ string16 ChromeFrameDistribution::GetBaseAppName() {
   return L"Google Chrome Frame";
 }
 
+string16 ChromeFrameDistribution::GetBrowserProgIdPrefix() {
+  NOTREACHED();
+  return string16();
+}
+
 string16 ChromeFrameDistribution::GetShortcutName(ShortcutType shortcut_type) {
   switch (shortcut_type) {
     case SHORTCUT_CHROME: