Correcting the version field in the Chrome-Proxy header to be the chromium build and patch number.

components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.cc

Index: components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.cc
diff --git a/components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.cc b/components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.cc
index 6130eda1b94f3017ca29bfdb067696a723d74a41..4eb125bf44e0cb2a0820bcfe60104b2e720cf2e9 100644
--- a/components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.cc
+++ b/components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.cc
@@ -20,9 +20,6 @@
 
 namespace data_reduction_proxy {
 
-// The version of the authentication protocol.
-const char kProtocolVersion[] = "0";
-
 // The clients supported by the data reduction proxy.
 const char kClientAndroidWebview[] = "webview";
 const char kClientChromeAndroid[] = "android";
@@ -36,9 +33,11 @@ bool DataReductionProxyAuthRequestHandler::IsKeySetOnCommandLine() {
 }
 
 DataReductionProxyAuthRequestHandler::DataReductionProxyAuthRequestHandler(
-    DataReductionProxyParams* params)
+    DataReductionProxyParams* params, std::string version)
     : data_reduction_proxy_params_(params) {
-  version_ = kProtocolVersion;
+  // The data reduction proxy only needs the build and patch number for the
+  // version.
+  version_ = version.substr(version.find(".")).substr(version.find(".") + 1);

[bengr, 2014/07/30 00:16:47]

Use SplitString. See:
https://code.google.com/p/chromium/codesearch#chromium/src/base/strings/strin...


Put it in a utility function here that can be used by embedders. Add a test for
the function.

[megjablon, 2014/07/30 20:37:17]

Done.

 #if defined(OS_ANDROID)
   client_ = kClientChromeAndroid;
 #elif defined(OS_IOS)