Create "Prebind" a wrapper to tr1::bind.

base/message_loop.cc

 // Copyright (c) 2010 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.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/lazy_instance.h"
@@ skipping 288 matching lines @@
 
 void MessageLoop::QuitNow() {
   DCHECK_EQ(this, current());
   if (state_) {
     pump_->Quit();
   } else {
     NOTREACHED() << "Must be inside Run to call Quit";
   }
 }
 
+// This is a complete hack just for the proof of concept.  Really, we want
+// to modify PendingTask to understand base::Closure.
+class ClosureTaskAdapter : public Task {
+ public:
+  explicit ClosureTaskAdapter(const tracked_objects::Location& from_here,
+                              base::Closure c)
+      : closure_(c) {
+    closure_.tracked()->SetBirthPlace(from_here);
+  }
+
+  virtual void Run() {
+    closure_();
+  }
+
+ private:
+  base::Closure closure_;
+};
+
+void MessageLoop::PostClosure(
+    const tracked_objects::Location& from_here, base::Closure closure) {
+  // The wrapping of Closure in Task will screw up task tracking...that will be
+  // fixed if we correctly refactor message loop's PendingTask.
+  PostTask_Helper(from_here, new ClosureTaskAdapter(from_here, closure), 0,
+                  true);
+}
+
 void MessageLoop::PostTask(
     const tracked_objects::Location& from_here, Task* task) {
   PostTask_Helper(from_here, task, 0, true);
 }
 
 void MessageLoop::PostDelayedTask(
     const tracked_objects::Location& from_here, Task* task, int64 delay_ms) {
   PostTask_Helper(from_here, task, delay_ms, true);
 }
 
+void MessageLoop::PostDelayedClosure(
+    const tracked_objects::Location& from_here, base::Closure closure,
+    int64 delay_ms) {
+  // The wrapping of Closure in Task will screw up task tracking...that will be
+  // fixed if we correctly refactor message loop's PendingTask.
+  PostTask_Helper(from_here, new ClosureTaskAdapter(from_here, closure),
+                  delay_ms, true);
+}
+
 void MessageLoop::PostNonNestableTask(
     const tracked_objects::Location& from_here, Task* task) {
   PostTask_Helper(from_here, task, 0, false);
 }
 
 void MessageLoop::PostNonNestableDelayedTask(
     const tracked_objects::Location& from_here, Task* task, int64 delay_ms) {
   PostTask_Helper(from_here, task, delay_ms, false);
 }
 
@@ skipping 373 matching lines @@
                                            Watcher *delegate) {
   return pump_libevent()->WatchFileDescriptor(
       fd,
       persistent,
       static_cast<base::MessagePumpLibevent::Mode>(mode),
       controller,
       delegate);
 }
 
 #endif