Temporary CHECK version 2 in IPC::Channel::Send() to help track down crash.

TBR=sievers@chromium.org, cpu@chromium.org
BUG=357915

Review URL: https://codereview.chromium.org/218433002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@260399 0039d316-1c4b-4281-b951-d872f2087c98

ipc/ipc_channel_posix.cc

@@ -527,6 +527,8 @@ bool Channel::ChannelImpl::ProcessOutgoingMessages() {
 }
 
 bool Channel::ChannelImpl::Send(Message* message) {
+  // TODO(vtl): Remove once bug resolved.
+  CHECK(message && message->data()) << "crbug.com/357915";
   DVLOG(2) << "sending message @" << message << " on channel @" << this
            << " with type " << message->type()
            << " (" << output_queue_.size() << " in queue)";

ipc/ipc_channel_win.cc

@@ -81,6 +81,8 @@ void Channel::ChannelImpl::Close() {
 }
 
 bool Channel::ChannelImpl::Send(Message* message) {
+  // TODO(vtl): Remove once bug resolved.
+  CHECK(message && message->data()) << "crbug.com/357915";
   DCHECK(thread_check_->CalledOnValidThread());
   DVLOG(2) << "sending message @" << message << " on channel @" << this
            << " with type " << message->type()