Add build and patch to Chrome-Proxy header

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_unittest.cc

+// Copyright 2014 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/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+const char kVersion[] = "1.2.3.4";
+const char kBogusVersion[] = "0.0";
+const char kExpectedBuild[] = "3";
+const char kExpectedPatch[] = "4";
+
+class DataReductionProxyChromeSettingsTest : public testing::Test {
+ public:
+  DataReductionProxyChromeSettingsTest() {}
+};
+
+TEST_F(DataReductionProxyChromeSettingsTest, TestGetBuildNumber) {
+  std::string build =
+      DataReductionProxyChromeSettings::GetBuildNumberFromString(kVersion);
+  EXPECT_EQ(kExpectedBuild, build);
+
+  build =
+      DataReductionProxyChromeSettings::GetBuildNumberFromString(kBogusVersion);
+  EXPECT_EQ(std::string(), build);
+}
+
+TEST_F(DataReductionProxyChromeSettingsTest, TestGetPatchNumber) {
+  std::string patch =
+      DataReductionProxyChromeSettings::GetPatchNumberFromString(kVersion);

[bengr, 2014/09/03 22:28:39]

Fix these tests to reflect the new impl.

+  EXPECT_EQ(kExpectedPatch, patch);
+
+  patch =
+      DataReductionProxyChromeSettings::GetPatchNumberFromString(kBogusVersion);
+  EXPECT_EQ(std::string(), patch);
+}