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

test/unittests/test-utils.cc

 // Copyright 2014 the V8 project 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 "test/unittests/test-utils.h"
 
+#include "src/base/platform/time.h"
+#include "src/flags.h"
 #include "src/isolate-inl.h"
 
 namespace v8 {
 
 // static
 Isolate* TestWithIsolate::isolate_ = NULL;
 
 
 TestWithIsolate::TestWithIsolate()
     : isolate_scope_(isolate()), handle_scope_(isolate()) {}
@@ skipping 20 matching lines @@
 }
 
 
 TestWithContext::TestWithContext()
     : context_(Context::New(isolate())), context_scope_(context_) {}
 
 
 TestWithContext::~TestWithContext() {}
 
 
+namespace base {
+namespace {
+
+inline int64_t GetRandomSeedFromFlag(int random_seed) {
+  return random_seed ? random_seed : TimeTicks::Now().ToInternalValue();
+}
+
+}  // namespace
+
+TestWithRandomNumberGenerator::TestWithRandomNumberGenerator()
+    : rng_(GetRandomSeedFromFlag(internal::FLAG_random_seed)) {}
+
+
+TestWithRandomNumberGenerator::~TestWithRandomNumberGenerator() {}
+
+}  // namespace base
+
+
 namespace internal {
 
 TestWithIsolate::~TestWithIsolate() {}
 
 
 Factory* TestWithIsolate::factory() const { return isolate()->factory(); }
 
 
 TestWithZone::~TestWithZone() {}
 
 }  // namespace internal
 }  // namespace v8