Refactoring client/version to util

components/data_reduction_proxy/core/common/data_reduction_proxy_util.h

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_util.h
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_util.h b/components/data_reduction_proxy/core/common/data_reduction_proxy_util.h
index dcefb8cf48077576df879e63dd24af52334ea650..d56442944cb6f789e1408e035f66f707f6039fdc 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_util.h
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_util.h
@@ -18,22 +18,50 @@ class Time;
 class TimeDelta;
 }
 
 namespace net {
 class ProxyConfig;
 class ProxyInfo;
 }
 
 namespace data_reduction_proxy {
 
+enum class Client {
+  UNKNOWN,
+  CRONET_ANDROID,
+  WEBVIEW_ANDROID,
+  CHROME_ANDROID,
+  CHROME_IOS,
+  CHROME_MAC,
+  CHROME_CHROMEOS,
+  CHROME_LINUX,
+  CHROME_WINDOWS,
+  CHROME_FREEBSD,
+  CHROME_OPENBSD,
+  CHROME_SOLARIS,
+  CHROME_QNX,
+};
+
 namespace util {
 
+// Returns the version of Chromium that is being used, e.g. "1.2.3.4".
+const char* ChromiumVersion();
+
+// Returns the build and patch numbers of |version_string|. |version_string|
+// must be a properly formed Chromium version number, e.g. "1.2.3.4".
+void GetChromiumBuildAndPatch(const std::string& version_string,
+                              std::string* build,
+                              std::string* patch);
+
+// Get the human-readable version of |client|.
+const char* GetStringForClient(Client client);
+
 // Returns true if the request method is idempotent.
 bool IsMethodIdempotent(const std::string& method);
 
 GURL AddApiKeyToUrl(const GURL& url);
 
 // Returns whether this is valid for data reduction proxy use. |proxy_info|
 // should contain a single DIRECT ProxyServer, |url| should not be WS or WSO,
 // and the |method| should be idempotent for this to be eligible.
 bool EligibleForDataReductionProxy(const net::ProxyInfo& proxy_info,
                                    const GURL& url,