Simplify protocol name and port comparison in KnwonPorts.cpp

Source/platform/weborigin/KnownPortsTest.cpp

Index: Source/platform/weborigin/KnownPortsTest.cpp
diff --git a/Source/platform/weborigin/KnownPortsTest.cpp b/Source/platform/weborigin/KnownPortsTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e370cc1d1a8aa94673adb94414cbea5509c7ae7d
--- /dev/null
+++ b/Source/platform/weborigin/KnownPortsTest.cpp
@@ -0,0 +1,47 @@
+// Copyright 2015 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 "config.h"
+#include "platform/weborigin/KnownPorts.h"
+
+#include <gtest/gtest.h>
+
+using blink::isDefaultPortForProtocol;
+
+namespace {
+
+TEST(KnownPortsTest, IsDefaultPortForProtocol)
+{
+    struct TestCase {
+        const unsigned short port;
+        const char* protocol;
+        const bool isKnown;
+    };
+
+    TestCase inputs[] = {
+        // Known ones.
+        { 80, "http", true },
+        { 443, "https", true },
+        { 21, "ftp", true },
+        { 990, "ftps", true },
+
+        // Unknown ones.
+        { 5, "foo", false },
+        { 80, "http:", false },
+        { 443, "http", false },
+        { 21, "ftps", false },
+        { 990, "ftp", false },
+
+        // With upper cases.
+        { 80, "HTTP", false },
+        { 443, "Https", false },
+    };
+
+    for (TestCase test : inputs) {
+        bool result = isDefaultPortForProtocol(test.port, test.protocol);
+        EXPECT_EQ(test.isKnown, result);
+    }
+}
+
+}