This adds a recovery mode to the diagnostics

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 e9c67c56e55ad43a1193d1ddf06647ae5e8f402a..1e59d30c0d7fc051048a581fc7e003a99594e51f 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -249,6 +249,9 @@ const char kDiagnostics[]                   = "diagnostics";
 // Sets the output format for diagnostic modes enabled by diagnostics flag.
 const char kDiagnosticsFormat[]             = "diagnostics-format";
 
+// Tells the diagnostics mode to do the requested recovery step(s).
+const char kDiagnosticsRecovery[]           = "diagnostics-recovery";
+
 // If set, the app list will be disabled at startup. Note this doesn't prevent
 // the app list from running, it just makes Chrome think the app list hasn't
 // been enabled (as in kEnableAppList) yet.