Add simple trace logging of received IPC messages

ipc/ipc_channel_proxy.cc

Index: ipc/ipc_channel_proxy.cc
diff --git a/ipc/ipc_channel_proxy.cc b/ipc/ipc_channel_proxy.cc
index f542eae2b0e59403560c4709afaf96f19ff8c6bf..2e8c9b3f98b285fc33f44a611f94faa12fe81d23 100644
--- a/ipc/ipc_channel_proxy.cc
+++ b/ipc/ipc_channel_proxy.cc
@@ -4,6 +4,7 @@
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
+#include "base/debug/trace_event.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ -238,13 +239,23 @@ void ChannelProxy::Context::AddFilter(MessageFilter* filter) {
 
 // Called on the listener's thread
 void ChannelProxy::Context::OnDispatchMessage(const Message& message) {
+#ifdef IPC_MESSAGE_LOG_ENABLED
+  Logging* logger = Logging::GetInstance();
+  std::string name;
+  logger->GetMessageText(message.type(), &name, &message, NULL);
+  TRACE_EVENT1("task", "ChannelProxy::Context::OnDispatchMessage",
+               "name", name);
+#else
+  TRACE_EVENT1("task", "ChannelProxy::Context::OnDispatchMessage",
+               "type", message.type());
+#endif
+
   if (!listener_)
     return;
 
   OnDispatchConnected();
 
 #ifdef IPC_MESSAGE_LOG_ENABLED
-  Logging* logger = Logging::GetInstance();
   if (message.type() == IPC_LOGGING_ID) {
     logger->OnReceivedLoggingMessage(message);
     return;