Disable the managed storage API behind a flag for M22.

chrome/browser/extensions/settings/settings_api.cc

 // Copyright (c) 2012 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/settings/settings_api.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extensions_quota_service.h"
 #include "chrome/browser/extensions/settings/settings_frontend.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/api/storage.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace extensions {
 
 using content::BrowserThread;
 
 namespace {
 const char kUnsupportedArgumentType[] = "Unsupported argument type";
 const char kInvalidNamespaceErrorMessage[] =
     "\"%s\" is not available in this instance of Chrome";
+const char kManagedNamespaceDisabledErrorMessage[] =
+    "\"managed\" is disabled. Use \"--%s\" to enable it.";
 const char kStorageErrorMessage[] = "Storage error";
 }  // namespace
 
 // SettingsFunction
 
 SettingsFunction::SettingsFunction()
     : settings_namespace_(settings_namespace::INVALID) {}
 
 SettingsFunction::~SettingsFunction() {}
 
@@ skipping 10 matching lines @@
 
 bool SettingsFunction::RunImpl() {
   std::string settings_namespace_string;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &settings_namespace_string));
   args_->Remove(0, NULL);
   settings_namespace_ =
       settings_namespace::FromString(settings_namespace_string);
   EXTENSION_FUNCTION_VALIDATE(
       settings_namespace_ != settings_namespace::INVALID);
 
+  // TODO(joaodasilva): remove this flag once policy for extensions works on
+  // mac and chromeos.
+  if (settings_namespace_ == settings_namespace::MANAGED &&
+      !CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableManagedStorage)) {
+    error_ = base::StringPrintf(kManagedNamespaceDisabledErrorMessage,
+                                switches::kEnableManagedStorage);
+    return false;
+  }
+
   SettingsFrontend* frontend =
       profile()->GetExtensionService()->settings_frontend();
   if (!frontend->IsStorageEnabled(settings_namespace_)) {
     error_ = base::StringPrintf(kInvalidNamespaceErrorMessage,
                                 settings_namespace_string.c_str());
     return false;
   }
 
   observers_ = frontend->GetObservers();
   frontend->RunWithStorage(
@@ skipping 204 matching lines @@
 bool ClearSettingsFunction::RunWithStorage(ValueStore* storage) {
   return UseWriteResult(storage->Clear());
 }
 
 void ClearSettingsFunction::GetQuotaLimitHeuristics(
     QuotaLimitHeuristics* heuristics) const {
   GetModificationQuotaLimitHeuristics(heuristics);
 }
 
 }  // namespace extensions