WlanConnect to BSS with given frequency.

chrome/utility/wifi/wifi_service.h

Index: chrome/utility/wifi/wifi_service.h
diff --git a/chrome/utility/wifi/wifi_service.h b/chrome/utility/wifi/wifi_service.h
index f22a21ea239ef0fb79d78d847838894c35952b38..b81c6aa8ea0128d7ddddf7355c20e88bcf88dc7b 100644
--- a/chrome/utility/wifi/wifi_service.h
+++ b/chrome/utility/wifi/wifi_service.h
@@ -20,6 +20,7 @@ class WiFiService {
  public:
   typedef int32 Frequency;
   enum FrequencyEnum {
+    kFrequencyAny = 0,
     kFrequencyUnknown = 0,
     kFrequency2400 = 2400,
     kFrequency5000 = 5000
@@ -127,8 +128,10 @@ class WiFiService {
 
   // Start connect to network identified by |network_guid|. Run |callback| on
   // success, |error_callback| on failure. Send |NetworksChanged| event
-  // on completion.
+  // on completion. If |frequency| is not 0 (kFrequencyUnknown), then only
+  // connect to BSS running on that frequency (2400 or 5000).
   virtual void StartConnect(const std::string& network_guid,
+                            Frequency frequency,
                             const StringResultCallback& callback,
                             const ErrorCallback& error_callback) = 0;