Revert of Adds some CHECKs to MessagePumpMojo

base/message_loop/message_loop.cc

Index: base/message_loop/message_loop.cc
diff --git a/base/message_loop/message_loop.cc b/base/message_loop/message_loop.cc
index 023bcf42e2de0cb1157347d9f97e1afca166f076..a7217eba2f7284af95a85bb768c69f44820fc9b5 100644
--- a/base/message_loop/message_loop.cc
+++ b/base/message_loop/message_loop.cc
@@ -92,8 +92,6 @@
 // time for every task that is added to the MessageLoop incoming queue.
 bool AlwaysNotifyPump(MessageLoop::Type type) {
 #if defined(OS_ANDROID)
-  // The Android UI message loop needs to get notified each time a task is added
-  // to the incoming queue.
   return type == MessageLoop::TYPE_UI || type == MessageLoop::TYPE_JAVA;
 #else
   return false;
@@ -530,6 +528,8 @@
 }
 
 void MessageLoop::ScheduleWork(bool was_empty) {
+  // The Android UI message loop needs to get notified each time
+  // a task is added to the incoming queue.
   if (was_empty || AlwaysNotifyPump(type_))
     pump_->ScheduleWork();
 }