Revert of CL 722703002 due to build breakage

chrome/browser/ui/app_list/app_list_controller_delegate_impl.cc

Index: chrome/browser/ui/app_list/app_list_controller_delegate_impl.cc
diff --git a/chrome/browser/ui/app_list/app_list_controller_delegate_impl.cc b/chrome/browser/ui/app_list/app_list_controller_delegate_impl.cc
index 61b45420fc959952f8bdbb76dc1fd274658122ab..98116d217ddbd37a3b7bf9754671539397a66e5a 100644
--- a/chrome/browser/ui/app_list/app_list_controller_delegate_impl.cc
+++ b/chrome/browser/ui/app_list/app_list_controller_delegate_impl.cc
@@ -11,7 +11,6 @@
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_navigator.h"
-#include "chrome/browser/ui/extensions/app_launch_params.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
 #include "extensions/browser/extension_system.h"
@@ -112,8 +111,7 @@ void AppListControllerDelegateImpl::LaunchApp(
     int event_flags) {
   AppListServiceImpl::RecordAppListAppLaunch();
 
-  AppLaunchParams params(profile, extension, NEW_FOREGROUND_TAB,
-                         extensions::SOURCE_APP_LAUNCHER);
+  AppLaunchParams params(profile, extension, NEW_FOREGROUND_TAB);
 
   if (source != LAUNCH_FROM_UNKNOWN &&
       extension->id() == extensions::kWebStoreAppId) {
@@ -124,6 +122,7 @@ void AppListControllerDelegateImpl::LaunchApp(
         extension_urls::kWebstoreSourceField,
         AppListSourceToString(source));
   }
+  params.source = extensions::SOURCE_APP_LAUNCHER;
 
   FillLaunchParams(&params);
   OpenApplication(params);