Reland #2 "ipc: Add a new field num_brokered_attachments to the message header."

ipc/ipc_channel_win.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 "ipc/ipc_channel_win.h"
 
 #include <stdint.h>
 #include <windows.h>
 
 #include "base/auto_reset.h"
@@ skipping 456 matching lines @@
   }
 
   if (output_queue_.empty())
     return true;
 
   if (!pipe_.IsValid())
     return false;
 
   // Write to pipe...
   OutputElement* element = output_queue_.front();
+
+  // TODO(erikchen): Temporary code to help track http://crbug.com/527588.
+  {
+    const Message* m = element->get_message();
+    if (m) {
+      Channel::MessageVerifier verifier = Channel::GetMessageVerifier();
+      if (verifier)
+        verifier(m);
+    }
+  }
+
   DCHECK(element->size() <= INT_MAX);
   BOOL ok = WriteFile(pipe_.Get(),
                       element->data(),
                       static_cast<uint32_t>(element->size()),
                       NULL,
                       &output_state_.context.overlapped);
   if (!ok) {
     DWORD write_error = GetLastError();
     if (write_error == ERROR_IO_PENDING) {
       output_state_.is_pending = true;
@@ skipping 102 matching lines @@
   int secret;
   do {  // Guarantee we get a non-zero value.
     secret = base::RandInt(0, std::numeric_limits<int>::max());
   } while (secret == 0);
 
   id.append(GenerateUniqueRandomChannelID());
   return id.append(base::StringPrintf("\\%d", secret));
 }
 
 }  // namespace IPC