Update mojo sdk to rev e01f9a49449381a5eb430c1fd88bf2cae73ec35a

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 25 matching lines @@
 }
 
 // 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)";
-    return scoped_refptr<PlatformHandleDispatcher>();
+    return nullptr;
   }
 
   const SerializedPlatformHandleDispatcher* serialization =
       static_cast<const SerializedPlatformHandleDispatcher*>(source);
   size_t platform_handle_index = serialization->platform_handle_index;
 
   // Starts off invalid, which is what we want.
   embedder::PlatformHandle platform_handle;
 
   if (platform_handle_index != kInvalidPlatformHandleIndex) {
     if (!platform_handles ||
         platform_handle_index >= platform_handles->size()) {
       LOG(ERROR)
           << "Invalid serialized platform handle dispatcher (missing handles)";
-      return scoped_refptr<PlatformHandleDispatcher>();
+      return nullptr;
     }
 
     // We take ownership of the handle, so we have to invalidate the one in
     // |platform_handles|.
     std::swap(platform_handle, (*platform_handles)[platform_handle_index]);
   }
 
   return scoped_refptr<PlatformHandleDispatcher>(new PlatformHandleDispatcher(
       embedder::ScopedPlatformHandle(platform_handle)));
 }
@@ skipping 37 matching lines @@
   } else {
     serialization->platform_handle_index = kInvalidPlatformHandleIndex;
   }
 
   *actual_size = sizeof(SerializedPlatformHandleDispatcher);
   return true;
 }
 
 }  // namespace system
 }  // namespace mojo