Fix double session-restore bug.

chrome/browser/ui/startup/startup_browser_creator_impl.h

Index: chrome/browser/ui/startup/startup_browser_creator_impl.h
diff --git a/chrome/browser/ui/startup/startup_browser_creator_impl.h b/chrome/browser/ui/startup/startup_browser_creator_impl.h
index 7094147882f49397964f3df8924f3f438110fa3c..17aec3a958e55d5baea35cf3cccba08b3c335ce8 100644
--- a/chrome/browser/ui/startup/startup_browser_creator_impl.h
+++ b/chrome/browser/ui/startup/startup_browser_creator_impl.h
@@ -98,11 +98,10 @@ class StartupBrowserCreatorImpl {
 
   // Boolean flags used to indicate state for DetermineBrowserOpenBehavior.
   enum BehaviorFlags {
-    PROCESS_STARTUP       = (1 << 0),
-    IS_POST_CRASH_LAUNCH  = (1 << 1),
-    HAS_RESTORE_SWITCH    = (1 << 2),
-    HAS_NEW_WINDOW_SWITCH = (1 << 3),
-    HAS_CMD_LINE_TABS     = (1 << 4),
+    PROCESS_STARTUP = (1 << 0),
+    IS_POST_CRASH_LAUNCH = (1 << 1),
+    HAS_NEW_WINDOW_SWITCH = (1 << 2),
+    HAS_CMD_LINE_TABS = (1 << 3),
   };
 
   using BrowserOpenBehaviorOptions = uint32_t;