Correct const accessors in base/values.(h|cc)

chromeos/dbus/flimflam_device_client.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 "chromeos/dbus/flimflam_device_client.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/values.h"
@@ skipping 349 matching lines @@
   virtual void Register(const dbus::ObjectPath& device_path,
                         const std::string& network_id,
                         const base::Closure& callback,
                         const ErrorCallback& error_callback) OVERRIDE {
     MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
  private:
   void PassStubDevicePrperties(const dbus::ObjectPath& device_path,
                                const DictionaryValueCallback& callback) const {
-    base::DictionaryValue* device_properties = NULL;
+    const base::DictionaryValue* device_properties = NULL;
     if (!stub_devices_.GetDictionary(device_path.value(), &device_properties)) {
       base::DictionaryValue empty_dictionary;
       callback.Run(DBUS_METHOD_CALL_FAILURE, empty_dictionary);
       return;
     }
     callback.Run(DBUS_METHOD_CALL_SUCCESS, *device_properties);
   }
 
   // Posts a task to run a void callback with status code |status|.
   void PostVoidCallback(const VoidCallback& callback,
@@ skipping 19 matching lines @@
 FlimflamDeviceClient* FlimflamDeviceClient::Create(
     DBusClientImplementationType type,
     dbus::Bus* bus) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
     return new FlimflamDeviceClientImpl(bus);
   DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
   return new FlimflamDeviceClientStubImpl();
 }
 
 }  // namespace chromeos