Updated cache-invalidation library to @30.

third_party/cacheinvalidation/overrides/google/cacheinvalidation/random.h

Index: third_party/cacheinvalidation/overrides/google/cacheinvalidation/random.h
diff --git a/third_party/cacheinvalidation/overrides/google/cacheinvalidation/random.h b/third_party/cacheinvalidation/overrides/google/cacheinvalidation/random.h
new file mode 100644
index 0000000000000000000000000000000000000000..89455f66cf741be89c8ed4eb0599678a5a9bc554
--- /dev/null
+++ b/third_party/cacheinvalidation/overrides/google/cacheinvalidation/random.h
@@ -0,0 +1,25 @@
+// Copyright (c) 2010 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.
+
+#ifndef GOOGLE_CACHEINVALIDATION_RANDOM_H_
+#define GOOGLE_CACHEINVALIDATION_RANDOM_H_
+
+#include "base/rand_util.h"
+
+namespace invalidation {
+
+class Random {
+ public:
+  // We don't actually use the seed.
+  explicit Random(int64 seed) {}
+
+  // Returns a pseudorandom value between(inclusive) and(exclusive).
+  double RandDouble() {
+    return base::RandDouble();
+  }
+};
+
+}  // namespace invalidation
+
+#endif  // GOOGLE_CACHEINVALIDATION_RANDOM_H_