Adding Priority field to cookies.

net/cookies/cookie_constants.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/cookies/cookie_constants.h"
+
+#include "base/logging.h"
+#include "base/string_util.h"
+
+namespace net {
+
+namespace {
+
+// These are lower-case to facilitate compare.

[erikwright (departed), 2013/04/16 14:16:15]

I don't think this comment is necessary. The file is very small and I think you
have a unit-test that would fail if someone capitalized them. If you don't, add
one.

[huangs, 2013/04/16 16:04:42]

Done. Added cookie_constants_unittest.cc.

+const char kPriorityLow[] = "low";
+const char kPriorityMedium[] = "medium";
+const char kPriorityHigh[] = "high";
+
+}  // namespace
+
+NET_EXPORT const std::string CookiePriorityToString(CookiePriority priority) {
+  if (priority == PRIORITY_HIGH)
+    return kPriorityHigh;
+
+  if (priority == PRIORITY_MEDIUM)
+    return kPriorityMedium;
+
+  if (priority == PRIORITY_LOW)
+    return kPriorityLow;
+
+  NOTREACHED();
+  return std::string();
+}
+
+NET_EXPORT CookiePriority StringToCookiePriority(const std::string& priority) {
+  std::string priority_comp(priority);
+  StringToLowerASCII(&priority_comp);
+
+  if (priority_comp == kPriorityHigh)
+    return PRIORITY_HIGH;
+
+  if (priority_comp == kPriorityMedium)
+    return PRIORITY_MEDIUM;
+
+  if (priority_comp == kPriorityLow)
+    return PRIORITY_LOW;
+
+  return PRIORITY_DEFAULT;
+}
+
+}  // namespace net