Make Dispatcher::Type an enum class.

mojo/edk/system/platform_handle_dispatcher.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 "mojo/edk/system/platform_handle_dispatcher.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 
@@ skipping 14 matching lines @@
     embedder::ScopedPlatformHandle platform_handle)
     : platform_handle_(platform_handle.Pass()) {
 }
 
 embedder::ScopedPlatformHandle PlatformHandleDispatcher::PassPlatformHandle() {
   base::AutoLock locker(lock());
   return platform_handle_.Pass();
 }
 
 Dispatcher::Type PlatformHandleDispatcher::GetType() const {
-  return kTypePlatformHandle;
+  return Type::PLATFORM_HANDLE;
 }
 
 // static
 scoped_refptr<PlatformHandleDispatcher> PlatformHandleDispatcher::Deserialize(
     Channel* channel,
     const void* source,
     size_t size,
     embedder::PlatformHandleVector* platform_handles) {
   if (size != sizeof(SerializedPlatformHandleDispatcher)) {
     LOG(ERROR) << "Invalid serialized platform handle dispatcher (bad size)";
@@ skipping 63 matching lines @@
   } else {
     serialization->platform_handle_index = kInvalidPlatformHandleIndex;
   }
 
   *actual_size = sizeof(SerializedPlatformHandleDispatcher);
   return true;
 }
 
 }  // namespace system
 }  // namespace mojo