Add C++11 compatible base::hash function object.

test/unittests/test-utils.h

Index: test/unittests/test-utils.h
diff --git a/test/unittests/test-utils.h b/test/unittests/test-utils.h
index e08974a423de5f93086edc800c6b70be11939f4a..56b9691e4f8aa9c8a5b50b09a586bcfd91be7be3 100644
--- a/test/unittests/test-utils.h
+++ b/test/unittests/test-utils.h
@@ -7,6 +7,7 @@
 
 #include "include/v8.h"
 #include "src/base/macros.h"
+#include "src/base/utils/random-number-generator.h"
 #include "src/zone.h"
 #include "testing/gtest-support.h"
 
@@ -46,6 +47,24 @@ class TestWithContext : public virtual TestWithIsolate {
 };
 
 
+namespace base {
+
+class TestWithRandomNumberGenerator : public ::testing::Test {
+ public:
+  TestWithRandomNumberGenerator();
+  virtual ~TestWithRandomNumberGenerator();
+
+  RandomNumberGenerator* rng() { return &rng_; }
+
+ private:
+  RandomNumberGenerator rng_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestWithRandomNumberGenerator);
+};
+
+}  // namespace base
+
+
 namespace internal {
 
 // Forward declarations.