This converts the Shill clients to allow propagation of shill errors

chromeos/dbus/shill_service_client.cc

Index: chromeos/dbus/shill_service_client.cc
diff --git a/chromeos/dbus/shill_service_client.cc b/chromeos/dbus/shill_service_client.cc
index 91f269032233fc3a2c02af198b552c60bf71f2c1..11c88eb76c9cb39644264cbb801d137fc3442405 100644
--- a/chromeos/dbus/shill_service_client.cc
+++ b/chromeos/dbus/shill_service_client.cc
@@ -75,24 +75,30 @@ class ShillServiceClientImpl : public ShillServiceClient {
   virtual void SetProperty(const dbus::ObjectPath& service_path,
                            const std::string& name,
                            const base::Value& value,
-                           const VoidDBusMethodCallback& callback) OVERRIDE {
+                           const base::Closure& callback,
+                           const ErrorCallback& error_callback) OVERRIDE {
     dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
                                  flimflam::kSetPropertyFunction);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(name);
     ShillClientHelper::AppendValueDataAsVariant(&writer, value);
-    GetHelper(service_path)->CallVoidMethod(&method_call, callback);
+    GetHelper(service_path)->CallVoidMethodWithErrorCallback(&method_call,
+                                                             callback,
+                                                             error_callback);
   }
 
   // ShillServiceClient override.
   virtual void ClearProperty(const dbus::ObjectPath& service_path,
                              const std::string& name,
-                             const VoidDBusMethodCallback& callback) OVERRIDE {
+                             const base::Closure& callback,
+                             const ErrorCallback& error_callback) OVERRIDE {
     dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
                                  flimflam::kClearPropertyFunction);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(name);
-    GetHelper(service_path)->CallVoidMethod(&method_call, callback);
+    GetHelper(service_path)->CallVoidMethodWithErrorCallback(&method_call,
+                                                             callback,
+                                                             error_callback);
   }
 
   // ShillServiceClient override.
@@ -107,30 +113,39 @@ class ShillServiceClientImpl : public ShillServiceClient {
 
   // ShillServiceClient override.
   virtual void Disconnect(const dbus::ObjectPath& service_path,
-                          const VoidDBusMethodCallback& callback) OVERRIDE {
+                          const base::Closure& callback,
+                          const ErrorCallback& error_callback) OVERRIDE {
     dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
                                  flimflam::kDisconnectFunction);
-    GetHelper(service_path)->CallVoidMethod(&method_call, callback);
+    GetHelper(service_path)->CallVoidMethodWithErrorCallback(&method_call,
+                                                             callback,
+                                                             error_callback);
   }
 
   // ShillServiceClient override.
   virtual void Remove(const dbus::ObjectPath& service_path,
-                      const VoidDBusMethodCallback& callback) OVERRIDE {
+                      const base::Closure& callback,
+                      const ErrorCallback& error_callback) OVERRIDE {
     dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
                                  flimflam::kRemoveServiceFunction);
-    GetHelper(service_path)->CallVoidMethod(&method_call, callback);
+    GetHelper(service_path)->CallVoidMethodWithErrorCallback(&method_call,
+                                                             callback,
+                                                             error_callback);
   }
 
   // ShillServiceClient override.
   virtual void ActivateCellularModem(
       const dbus::ObjectPath& service_path,
       const std::string& carrier,
-      const VoidDBusMethodCallback& callback) OVERRIDE {
+      const base::Closure& callback,
+      const ErrorCallback& error_callback) OVERRIDE {
     dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
                                  flimflam::kActivateCellularModemFunction);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(carrier);
-    GetHelper(service_path)->CallVoidMethod(&method_call, callback);
+    GetHelper(service_path)->CallVoidMethodWithErrorCallback(&method_call,
+                                                             callback,
+                                                             error_callback);
   }
 
   // ShillServiceClient override.
@@ -199,15 +214,17 @@ class ShillServiceClientStubImpl : public ShillServiceClient {
   virtual void SetProperty(const dbus::ObjectPath& service_path,
                            const std::string& name,
                            const base::Value& value,
-                           const VoidDBusMethodCallback& callback) OVERRIDE {
-    PostSuccessVoidCallback(callback);
+                           const base::Closure& callback,
+                           const ErrorCallback& error_callback) OVERRIDE {
+    MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
   // ShillServiceClient override.
   virtual void ClearProperty(const dbus::ObjectPath& service_path,
                              const std::string& name,
-                             const VoidDBusMethodCallback& callback) OVERRIDE {
-    PostSuccessVoidCallback(callback);
+                             const base::Closure& callback,
+                             const ErrorCallback& error_callback) OVERRIDE {
+    MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
   // ShillServiceClient override.
@@ -219,22 +236,25 @@ class ShillServiceClientStubImpl : public ShillServiceClient {
 
   // ShillServiceClient override.
   virtual void Disconnect(const dbus::ObjectPath& service_path,
-                          const VoidDBusMethodCallback& callback) OVERRIDE {
-    PostSuccessVoidCallback(callback);
+                          const base::Closure& callback,
+                          const ErrorCallback& error_callback) OVERRIDE {
+    MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
   // ShillServiceClient override.
   virtual void Remove(const dbus::ObjectPath& service_path,
-                      const VoidDBusMethodCallback& callback) OVERRIDE {
-    PostSuccessVoidCallback(callback);
+                      const base::Closure& callback,
+                      const ErrorCallback& error_callback) OVERRIDE {
+    MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
   // ShillServiceClient override.
   virtual void ActivateCellularModem(
       const dbus::ObjectPath& service_path,
       const std::string& carrier,
-      const VoidDBusMethodCallback& callback) OVERRIDE {
-    PostSuccessVoidCallback(callback);
+      const base::Closure& callback,
+      const ErrorCallback& error_callback) OVERRIDE {
+    MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
   // ShillServiceClient override.
@@ -250,13 +270,6 @@ class ShillServiceClientStubImpl : public ShillServiceClient {
     callback.Run(DBUS_METHOD_CALL_SUCCESS, dictionary);
   }
 
-  // Posts a task to run a void callback with success status code.
-  void PostSuccessVoidCallback(const VoidDBusMethodCallback& callback) {
-    MessageLoop::current()->PostTask(FROM_HERE,
-                                     base::Bind(callback,
-                                                DBUS_METHOD_CALL_SUCCESS));
-  }
-
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<ShillServiceClientStubImpl> weak_ptr_factory_;