Add build and patch to Chrome-Proxy header

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h

Index: chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h
diff --git a/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h b/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h
index 72f502680d8ed233185194e99def581fad7c3de3..bc20bd26a41c72c9f2c8fe8b3e7efdfc1ef62b1a 100644
--- a/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h
+++ b/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h
@@ -51,6 +51,11 @@ class DataReductionProxyChromeSettings
   // isn't of the form xx.xx.xx.xx returns an empty string.
   static std::string GetBuildAndPatchNumber();
 
+  // Using |version|, returns the build and patch portion of the string
+  // delimited by a period. If |version| isn't of the form xx.xx.xx.xx returns
+  // an empty string.
+  static std::string GetBuildAndPatchNumberFromString(std::string version);

[bengr, 2014/09/02 22:57:53]

This probably shouldn't be public. Make private and friend the test.

[megjablon, 2014/09/02 23:11:28]

Done.

+
   // Gets the client type for the data reduction proxy.
   static std::string GetClient();