Convert Extension* to extension id in AppLaunchParams.

chrome/browser/ui/extensions/application_launch.h

Index: chrome/browser/ui/extensions/application_launch.h
diff --git a/chrome/browser/ui/extensions/application_launch.h b/chrome/browser/ui/extensions/application_launch.h
index 630f9e9d7a9e9cfc0c093e8cdaaad050c996bcbc..d42eaf9e2d0a255d0dcbc603c270194958fbd64c 100644
--- a/chrome/browser/ui/extensions/application_launch.h
+++ b/chrome/browser/ui/extensions/application_launch.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_H_
 
+#include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ -49,7 +50,7 @@ struct AppLaunchParams {
   Profile* profile;
 
   // The extension to load.
-  const extensions::Extension* extension;
+  std::string extension_id;
 
   // The container type to launch the application in.
   extensions::LaunchContainer container;
@@ -67,9 +68,9 @@ struct AppLaunchParams {
   // position and dimensions.
   gfx::Rect override_bounds;
 
-  // If non-NULL, information from the command line may be passed on to the
+  // If non-empty, information from the command line may be passed on to the
   // application.
-  const CommandLine* command_line;
+  CommandLine command_line;
 
   // If non-empty, the current directory from which any relative paths on the
   // command line should be expanded from.