Added GetNetworkOperatorID util func in net/base/net_util and a non-trivial implementation for Andr…

content/common/android/device_telephony_info.h

Index: content/common/android/device_telephony_info.h
diff --git a/content/common/android/device_telephony_info.h b/content/common/android/device_telephony_info.h
index 84922d010ad52d92cd48d0b99983b02901e8f266..58ff03e8892fec0fe23a5dd1686bdb71ce3ad43f 100644
--- a/content/common/android/device_telephony_info.h
+++ b/content/common/android/device_telephony_info.h
@@ -23,6 +23,10 @@ class DeviceTelephonyInfo {
   // Returns the ISO country code equivalent of the current MCC.
   std::string GetNetworkCountryIso();
 
+  // Returns MCC+MNC (mobile country code + mobile network code) as
+  // the numeric name of the current registered operator.
+  std::string GetNetworkOperator();
+
   // Registers methods with JNI and returns true if succeeded.
   static bool RegisterDeviceTelephonyInfo(JNIEnv* env);