Make sure we don't keep tab id - handles mapping when a dread dies....

ceee/ie/broker/chrome_postman.cc

Index: ceee/ie/broker/chrome_postman.cc
===================================================================
--- ceee/ie/broker/chrome_postman.cc	(revision 68024)
+++ ceee/ie/broker/chrome_postman.cc	(working copy)
@@ -6,12 +6,12 @@
 #include "ceee/ie/broker/chrome_postman.h"
 
 #include "base/string_util.h"
+#include "ceee/common/com_utils.h"
 #include "ceee/ie/broker/api_dispatcher.h"
 #include "ceee/ie/common/api_registration.h"
 #include "ceee/ie/common/ceee_module_util.h"
 #include "chrome/browser/automation/extension_automation_constants.h"
 #include "chrome/common/url_constants.h"
-#include "ceee/common/com_utils.h"
 
 namespace ext = extension_automation_constants;
 
@@ -121,6 +121,16 @@
   }
 }
 
+void ChromePostman::QueueApiInvocationThreadTask(Task* task) {
+  MessageLoop* message_loop = api_worker_thread_.message_loop();
+  if (message_loop) {
+    message_loop->PostTask(FROM_HERE, task);
+  } else {
+    LOG(ERROR) << "Trying to queue a task before the API worker thread is"
+                  "completely initialized and ready.";
+  }
+}
+
 void ChromePostman::FireEvent(const char* event_name, const char* event_args) {
   MessageLoop* message_loop = api_worker_thread_.message_loop();
   if (message_loop) {