SessionRestore: Store session cookies and restore them if chrome crashes or auto-restarts.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 717b6a27ea661fe5e35d422ee0815e510f5ca820..1c8fd9a9b1675601af9752e414c4032c5cd0b3e1 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -533,6 +533,10 @@ const char kEnablePreconnect[]              = "enable-preconnect";
 // during chrome_browser_main.
 const char kEnableProfiling[]               = "enable-profiling";
 
+// Enables restoring session state (cookies, session storage, etc.) when
+// autorestarting.
+const char kEnableRestoreSessionState[]   = "enable-restore-session-state";
+
 // Controls the support for SDCH filtering (dictionary based expansion of
 // content). By default SDCH filtering is enabled. To disable SDCH filtering,
 // use "--enable-sdch=0" as command line argument. SDCH is currently only