[Installer] Cleaning up dead code for App Launcher / App Host installs.

chrome/installer/mini_installer/mini_installer.cc

Index: chrome/installer/mini_installer/mini_installer.cc
diff --git a/chrome/installer/mini_installer/mini_installer.cc b/chrome/installer/mini_installer/mini_installer.cc
index 2738c4d2e42ea83d3f608d9f930e4dc39e168c05..5104e21517975c6d7575fbe3029a408c334209d6 100644
--- a/chrome/installer/mini_installer/mini_installer.cc
+++ b/chrome/installer/mini_installer/mini_installer.cc
@@ -257,16 +257,11 @@ bool GetSetupExePathFromRegistry(const Configuration& configuration,
     return true;
   }
 
-  // Make a last-ditch effort to look in the Chrome and App Host client state
-  // keys.
+  // Make a last-ditch effort to look in the Chrome state key.

[grt (UTC plus 2), 2014/12/18 19:27:36]

nit: "client state key."

[huangs, 2015/01/05 06:01:12]

Done.

   if (GetSetupExePathForGuidFromRegistry(
           system_level, configuration.chrome_app_guid(), path, size)) {
     return true;
   }
-  if (configuration.has_app_host() && GetSetupExePathForGuidFromRegistry(
-          system_level, google_update::kChromeAppHostAppGuid, path, size)) {
-    return true;
-  }
 
   return false;
 }