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 3dd62e41fe7b3d7c90a9fc18b28b5e240a6aa514..3e218c50b067d8bce36b7b0cd5a724cbdb793b34 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -520,6 +520,9 @@ const char kEnableResourceContentSettings[] =
 // Enables speculative TCP/IP preconnection.
 const char kEnablePreconnect[]              = "enable-preconnect";
 
+// Enables restoring session cookies when autorestarting.
+const char kEnableRestoreSessionCookies[]   = "enable-restore-session-cookies";
+
 // 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