Moved IS_EPHEMERAL flag to extension prefs

chrome/browser/extensions/crx_installer.h

Index: chrome/browser/extensions/crx_installer.h
diff --git a/chrome/browser/extensions/crx_installer.h b/chrome/browser/extensions/crx_installer.h
index 427009316125684e3c57bba4623bdad41b952021..9ddec971032700fa8d2fcf534e078542874ad11a 100644
--- a/chrome/browser/extensions/crx_installer.h
+++ b/chrome/browser/extensions/crx_installer.h
@@ -183,6 +183,10 @@ class CrxInstaller
     install_wait_for_idle_ = val;
   }
 
+  void set_is_ephemeral(bool val) {
+    is_ephemeral_ = val;
+  }
+
   bool did_handle_successfully() const { return did_handle_successfully_; }
 
   Profile* profile() { return installer_.profile(); }
@@ -398,6 +402,9 @@ class CrxInstaller
   // page.
   bool update_from_settings_page_;
 
+  // True if an ephemeral app is being installed.
+  bool is_ephemeral_;
+
   // Gives access to common methods and data of an extension installer.
   ExtensionInstaller installer_;