content: Change how a bad message from a child is logged.

content/browser/browser_child_process_host_impl.cc

Index: content/browser/browser_child_process_host_impl.cc
diff --git a/content/browser/browser_child_process_host_impl.cc b/content/browser/browser_child_process_host_impl.cc
index 185c8e7c33ac7090b8f95b08c03d66249d4367ae..f78785eee4bc47a53c2ce0ba68162ff8c244d4e4 100644
--- a/content/browser/browser_child_process_host_impl.cc
+++ b/content/browser/browser_child_process_host_impl.cc
@@ -373,18 +373,19 @@ void BrowserChildProcessHostImpl::OnChannelError() {
 
 void BrowserChildProcessHostImpl::OnBadMessageReceived(
     const IPC::Message& message) {
-  TerminateOnBadMessageReceived(message.type());
+  std::string log_message =
+      base::StringPrintf("Bad message received of type: %u", message.type());
+  TerminateOnBadMessageReceived(log_message);
 }
 
-void BrowserChildProcessHostImpl::TerminateOnBadMessageReceived(uint32_t type) {
+void BrowserChildProcessHostImpl::TerminateOnBadMessageReceived(
+    const std::string& error) {
   HistogramBadMessageTerminated(data_.process_type);
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableKillAfterBadIPC)) {
     return;
   }
-  LOG(ERROR) << "Terminating child process for bad IPC message of type "
-             << type;
-
+  LOG(ERROR) << "Terminating child process for bad IPC message:" << error;

[Charlie Reis, 2017/01/10 23:06:43]

nit: Space after colon.

[sadrul, 2017/01/11 02:29:13]

Done.

   // Create a memory dump. This will contain enough stack frames to work out
   // what the bad message was.
   base::debug::DumpWithoutCrashing();