Implementing --app-launcher install/uninstall flow.

chrome/installer/util/channel_info.h

Index: chrome/installer/util/channel_info.h
diff --git a/chrome/installer/util/channel_info.h b/chrome/installer/util/channel_info.h
index 605b87ac602d26201bdcd03ec52673fe6f6ee587..bf842481ddfc005c522f98ff704ef5aeddb51ed0 100644
--- a/chrome/installer/util/channel_info.h
+++ b/chrome/installer/util/channel_info.h
@@ -64,6 +64,13 @@ class ChannelInfo {
   // modified.
   bool SetAppHost(bool value);
 
+  // Returns true if the -applauncher modifier is present in the value.
+  bool IsAppLauncher() const;
+
+  // Adds or removes the -applauncher modifier, returning true if the value is
+  // modified.
+  bool SetAppLauncher(bool value);
+
   // Returns true if the -multi modifier is present in the value.
   bool IsMultiInstall() const;