Set up Finch trial for malware download warnings

chrome/browser/download/download_util_unittest.cc

Index: chrome/browser/download/download_util_unittest.cc
diff --git a/chrome/browser/download/download_util_unittest.cc b/chrome/browser/download/download_util_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b04c1a18bbba45f4475f62b419141dc43516f156
--- /dev/null
+++ b/chrome/browser/download/download_util_unittest.cc
@@ -0,0 +1,32 @@
+// 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 "chrome/browser/download/download_util.h"
+
+#include "base/strings/string16.h"
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class DownloadUtilTest : public testing::Test {
+ public:
+  DownloadUtilTest() {}
+
+  virtual ~DownloadUtilTest() {
+  }
+};
+
+}  // namespace
+
+TEST_F(DownloadUtilTest, FinchStrings) {
+  EXPECT_EQ(
+      ASCIIToUTF16("This file is malicious."),
+      download_util::AssembleMalwareFinchString(
+          download_util::kCondition3Malicious, string16()));
+  EXPECT_EQ(
+      ASCIIToUTF16("malware.exe is malicious."),
+      download_util::AssembleMalwareFinchString(
+          download_util::kCondition3Malicious, ASCIIToUTF16("malware.exe")));
+}