[cros mp] Load profiles from /home/chronos/u-[$hash], add GetUserIdHashFromProfile()

chrome/browser/chromeos/extensions/networking_private_api.cc

 // Copyright (c) 2013 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/chromeos/extensions/networking_private_api.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
+#include "base/command_line.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/browser_process_platform_part_chromeos.h"
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/extensions/extension_function_registry.h"
-#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/api/networking_private.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/shill_manager_client.h"
 #include "chromeos/network/managed_network_configuration_handler.h"
 #include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler.h"
 #include "chromeos/network/onc/onc_constants.h"
 #include "chromeos/network/onc/onc_signature.h"
 #include "chromeos/network/onc/onc_translator.h"
 
@@ skipping 72 matching lines @@
 
 NetworkingPrivateGetManagedPropertiesFunction::
   ~NetworkingPrivateGetManagedPropertiesFunction() {
 }
 
 bool NetworkingPrivateGetManagedPropertiesFunction::RunImpl() {
   scoped_ptr<api::GetManagedProperties::Params> params =
       api::GetManagedProperties::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params);
 
-  // The profile of the requesting browser.
-  Profile* requesting_profile = profile();
-  // TODO(pneubeck): Use ProfileHelper to obtain the userhash, once it provides
-  // that functionality. crbug/238623.
-  std::string userhash = requesting_profile->GetPath().BaseName().value();
+  // User ID hash presence is only enforced when multi-profiles are turned on.
+  std::string user_id_hash;
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kMultiProfiles)) {
+    user_id_hash = g_browser_process->platform_part()->
+        profile_helper()->GetUserIdHashFromProfile(profile());
+  } else {
+    user_id_hash = g_browser_process->platform_part()->
+        profile_helper()->active_user_id_hash();
+  }
 
   ManagedNetworkConfigurationHandler::Get()->GetManagedProperties(
-      userhash,
+      user_id_hash,
       params->network_guid,  // service path
       base::Bind(&NetworkingPrivateGetManagedPropertiesFunction::Success,
                  this),
       base::Bind(&NetworkingPrivateGetManagedPropertiesFunction::Failure,
                  this));
   return true;
 }
 
 void NetworkingPrivateGetManagedPropertiesFunction::Success(
     const std::string& service_path,
@@ skipping 315 matching lines @@
     const std::string& result) {
   results_ = api::VerifyAndEncryptData::Results::Create(result);
   SendResponse(true);
 }
 
 void NetworkingPrivateVerifyAndEncryptDataFunction::ErrorCallback(
     const std::string& error_name, const std::string& error) {
   error_ = error_name;
   SendResponse(false);
 }