Add support for Device.ProposeScan to NetworkDeviceHandler.

chromeos/network/network_util.h

Index: chromeos/network/network_util.h
diff --git a/chromeos/network/network_util.h b/chromeos/network/network_util.h
index 442faceb60d1f0105ab7abb7728f6e64b79f5961..30983123fa55c3f514ca502fc61c35f84328d93a 100644
--- a/chromeos/network/network_util.h
+++ b/chromeos/network/network_util.h
@@ -16,6 +16,7 @@
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/time/time.h"
+#include "base/values.h"
 #include "chromeos/chromeos_export.h"
 
 namespace chromeos {
@@ -44,6 +45,18 @@ struct CHROMEOS_EXPORT WifiAccessPoint {
   int channel;  // Wifi channel number.
 };
 
+// Struct for passing network scan result data.
+struct CHROMEOS_EXPORT CellularScanResult {
+  CellularScanResult();
+  ~CellularScanResult();
+  std::string status;  // The network's availability status. (One of "unknown",
+                       // "available", "current", or "forbidden")
+  std::string network_id;  // 3GPP operator code ("MCCMNC").
+  std::string short_name;  // Short-format name of the operator.
+  std::string long_name;  // Long-format name of the operator.
+  std::string technology;  // Access technology.
+};
+
 typedef std::vector<WifiAccessPoint> WifiAccessPointVector;
 
 // Describes whether there is an error and whether the error came from
@@ -72,6 +85,12 @@ CHROMEOS_EXPORT std::string PrefixLengthToNetmask(int32 prefix_length);
 // e.g. a |netmask| of 255.255.255.0 is converted to a prefixlen of 24
 CHROMEOS_EXPORT int32 NetmaskToPrefixLength(const std::string& netmask);
 
+// Parses |list|, which contains DictionaryValues and returns a vector of
+// CellularScanResult in |scan_results|. Returns false if parsing fails,
+// in which case the contents of |scan_results| will be undefined.
+CHROMEOS_EXPORT bool ParseCellularScanResults(
+    const ListValue& list, std::vector<CellularScanResult>* scan_results);
+
 }  // namespace network_util
 }  // namespace chromeos