Add API stubs for GCD device commands.

chrome/browser/extensions/api/gcd_private/gcd_private_api.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/gcd_private/gcd_private_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/local_discovery/cloud_device_list.h"
 #include "chrome/browser/local_discovery/cloud_print_printer_list.h"
@@ skipping 354 matching lines @@
 GcdPrivateSetupStopFunction::GcdPrivateSetupStopFunction() {
 }
 
 GcdPrivateSetupStopFunction::~GcdPrivateSetupStopFunction() {
 }
 
 bool GcdPrivateSetupStopFunction::RunAsync() {
   return false;
 }
 
+GcdPrivateGetCommandDefsFunction::GcdPrivateGetCommandDefsFunction() {
+}
+
+GcdPrivateGetCommandDefsFunction::~GcdPrivateGetCommandDefsFunction() {
+}
+
+bool GcdPrivateGetCommandDefsFunction::RunAsync() {
+  return false;
+}
+
+GcdPrivateInsertCommandFunction::GcdPrivateInsertCommandFunction() {
+}
+
+GcdPrivateInsertCommandFunction::~GcdPrivateInsertCommandFunction() {
+}
+
+bool GcdPrivateInsertCommandFunction::RunAsync() {
+  return false;
+}
+
+GcdPrivateGetCommandFunction::GcdPrivateGetCommandFunction() {
+}
+
+GcdPrivateGetCommandFunction::~GcdPrivateGetCommandFunction() {
+}
+
+bool GcdPrivateGetCommandFunction::RunAsync() {
+  return false;
+}
+
+GcdPrivateCancelCommandFunction::GcdPrivateCancelCommandFunction() {
+}
+
+GcdPrivateCancelCommandFunction::~GcdPrivateCancelCommandFunction() {
+}
+
+bool GcdPrivateCancelCommandFunction::RunAsync() {
+  return false;
+}
+
+GcdPrivateGetCommandsListFunction::GcdPrivateGetCommandsListFunction() {
+}
+
+GcdPrivateGetCommandsListFunction::~GcdPrivateGetCommandsListFunction() {
+}
+
+bool GcdPrivateGetCommandsListFunction::RunAsync() {
+  return false;
+}
+
 }  // namespace extensions