Convert all connect code to use NetworkHandler instead of NetworkLibrary

ash/system/chromeos/network/network_connect.h

Index: ash/system/chromeos/network/network_connect.h
diff --git a/ash/system/chromeos/network/network_connect.h b/ash/system/chromeos/network/network_connect.h
index 3966140e9e82baf4aa516235b7bb07dd4569042e..475d9a09269a95cb29339b501092993b5a580524 100644
--- a/ash/system/chromeos/network/network_connect.h
+++ b/ash/system/chromeos/network/network_connect.h
@@ -9,12 +9,32 @@
 
 #include "ash/ash_export.h"
 #include "base/strings/string16.h"
+#include "ui/gfx/native_widget_types.h"  // gfx::NativeWindow
+
+namespace base {
+class DictionaryValue;
+}
 
 namespace ash {
 namespace network_connect {
 
-// Request a network connection and handle any errors and notifications.
-ASH_EXPORT void ConnectToNetwork(const std::string& service_path);
+// Requests a network connection and handles any errors and notifications.
+// |owning_window| is used to parent any UI on failure (e.g. for enrollment).
+ASH_EXPORT void ConnectToNetwork(const std::string& service_path,
+                                 gfx::NativeWindow owning_window);
+
+// Requests network activation and handles any errors and notifications.
+ASH_EXPORT void ActivateCellular(const std::string& service_path);
+
+// Configures a network with |properties| then sends a connect request.
+ASH_EXPORT void ConfigureNetworkAndConnect(
+    const std::string& service_path,
+    const base::DictionaryValue& properties);
+
+// Requests a new network configuration using |properties|. The profile used
+// is determined by |shared|.
+ASH_EXPORT void CreateConfigurationAndConnect(base::DictionaryValue* properties,
+                                              bool shared);
 
 // Returns the localized string for shill error string |error|.
 ASH_EXPORT base::string16 ErrorString(const std::string& error);