Use new APIs in base/values.h: Value::GetAsNumber and DictionaryValue::GetNumber.

chrome/browser/automation/automation_util.cc

Index: chrome/browser/automation/automation_util.cc
diff --git a/chrome/browser/automation/automation_util.cc b/chrome/browser/automation/automation_util.cc
index 159b16c5e8b0facb6f01cd3566ff18c979ec502d..cc66bfd671ad717b59441306eb1cb992e97af796 100644
--- a/chrome/browser/automation/automation_util.cc
+++ b/chrome/browser/automation/automation_util.cc
@@ -303,10 +303,7 @@ void SetCookieJSON(AutomationProvider* provider,
     return;
   }
   if (cookie_dict->HasKey("expiry")) {
-    int expiry_int;
-    if (cookie_dict->GetInteger("expiry", &expiry_int)) {
-      expiry = expiry_int;
-    } else if (!cookie_dict->GetDouble("expiry", &expiry)) {
+    if (!cookie_dict->GetDouble("expiry", &expiry)) {
       reply.SendError("optional 'expiry' invalid");
       return;
     }