Reland http://codereview.chromium.org/8477015

ppapi/tests/test_crypto.cc

 // Copyright (c) 2011 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 "ppapi/tests/test_crypto.h"
 
 #include "ppapi/c/dev/ppb_crypto_dev.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/tests/testing_instance.h"
 
 REGISTER_TEST_CASE(Crypto);
 
 TestCrypto::TestCrypto(TestingInstance* instance)
     : TestCase(instance),
       crypto_interface_(NULL) {
 }
 
 bool TestCrypto::Init() {
   crypto_interface_ = static_cast<PPB_Crypto_Dev const*>(
       pp::Module::Get()->GetBrowserInterface(PPB_CRYPTO_DEV_INTERFACE));
   return !!crypto_interface_;
 }
 
-void TestCrypto::RunTest() {
-  RUN_TEST(GetRandomBytes);
+void TestCrypto::RunTests(const std::string& filter) {
+  RUN_TEST(GetRandomBytes, filter);
 }
 
 std::string TestCrypto::TestGetRandomBytes() {
   const int kBufSize = 16;
   char buf[kBufSize] = {0};
 
   crypto_interface_->GetRandomBytes(buf, kBufSize);
 
   // Verify that the interface wrote "something" to the buffer.
   bool found_nonzero = false;
   for (int i = 0; i < kBufSize; i++) {
     if (buf[i]) {
       found_nonzero = true;
       break;
     }
   }
   ASSERT_TRUE(found_nonzero);
 
   PASS();
 }