Make a fairer combined message loop

base/message_loop/message_pump_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_loop/message_pump_android.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 44 matching lines @@
 
 namespace base {
 
 MessagePumpForUI::MessagePumpForUI()
     : run_loop_(NULL) {
 }
 
 MessagePumpForUI::~MessagePumpForUI() {
 }
 
+bool MessagePumpForUI::NeedsScheduleWorkPerTask() {
+  return true;
+}
+
 void MessagePumpForUI::Run(Delegate* delegate) {
   NOTREACHED() << "UnitTests should rely on MessagePumpForUIStub in"
       " test_stub_android.h";
 }
 
 void MessagePumpForUI::Start(Delegate* delegate) {
   run_loop_ = new RunLoop();
   // Since the RunLoop was just created above, BeforeRun should be guaranteed to
   // return true (it only returns false if the RunLoop has been Quit already).
   if (!run_loop_->BeforeRun())
@@ skipping 48 matching lines @@
   Java_SystemMessageHandler_setDelayedTimer(env,
       system_message_handler_obj_.obj(), millis);
 }
 
 // static
 bool MessagePumpForUI::RegisterBindings(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace base