Create a broker interface for the new Mojo EDK so that the browser can create and duplicate messa...

mojo/edk/system/transport_data.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/transport_data.h"
 
 #include "base/logging.h"
 #include "mojo/edk/system/configuration.h"
 #include "mojo/edk/system/message_in_transit.h"
 #include "mojo/edk/system/raw_channel.h"
 
 namespace mojo {
 namespace edk {
 
 // The maximum amount of space needed per platform handle.
 // (|{Channel,RawChannel}::GetSerializedPlatformHandleSize()| should always
 // return a value which is at most this. This is only used to calculate
 // |TransportData::kMaxBufferSize|. This value should be a multiple of the
 // alignment in order to simplify calculations, even though the actual amount of
 // space needed need not be a multiple of the alignment.
-const size_t kMaxSizePerPlatformHandle = 16;
+const size_t kMaxSizePerPlatformHandle = 8;
 static_assert(kMaxSizePerPlatformHandle % MessageInTransit::kMessageAlignment ==
                   0,
               "kMaxSizePerPlatformHandle not a multiple of alignment");
 
 MOJO_STATIC_CONST_MEMBER_DEFINITION const size_t
     TransportData::kMaxSerializedDispatcherSize;
 
 // static
 size_t TransportData::GetMaxBufferSize() {
   // In additional to the header, for each attached (Mojo) handle there'll be a
@@ skipping 292 matching lines @@
     const void* source = static_cast<const char*>(buffer) + offset;
     (*dispatchers)[i] = Dispatcher::TransportDataAccess::Deserialize(
         handle_table[i].type, source, size, platform_handles.get());
   }
 
   return dispatchers.Pass();
 }
 
 }  // namespace edk
 }  // namespace mojo