Do not roll back to SSL 3.0 for Google properties.

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 8993c39bca1368337fb0f6315be9892d204d73b6..2cd33180c97adb6f7186392ebeecead380016796 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -320,6 +320,12 @@ const char kDisableExtensionsResourceWhitelist[] =
 // Disables automatically making app run in full screen in force app mode.
 const char kDisableFullscreenApp[]          = "disable-fullscreen-app";
 
+// Disables enforcement of minimum SSL version for preloaded HSTS entries.
+// For preloaded Google's properties the minimum version will be TLS 1.0.
+// For others the minimum version is still SSL 3.0, i.e., it has no effect.
+const char kDisableSSLVersionMinPreloaded[] =
+    "disable-ssl-version-min-preloaded";
+
 // Disable Instant extended API.
 const char kDisableInstantExtendedAPI[]     = "disable-instant-extended-api";