Revert "Content handler for python."

mojo/public/python/src/common.cc

 // Copyright 2013 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 "mojo/public/python/src/common.h"
 
 #include <Python.h>
 
 #include "mojo/public/c/environment/async_waiter.h"
 #include "mojo/public/cpp/bindings/callback.h"
@@ skipping 26 matching lines @@
 }
 
 ScopedPyRef::ScopedPyRef(PyObject* object) : object_(object) {
 }
 
 ScopedPyRef::ScopedPyRef(PyObject* object, ScopedPyRefAcquire)
     : object_(object) {
   Py_XINCREF(object_);
 }
 
-PyObject* ScopedPyRef::Release() {
-  PyObject* object = object_;
-  object_ = nullptr;
-  return object;
-}
-
 ScopedPyRef::~ScopedPyRef() {
   if (object_) {
     ScopedGIL acquire_gil;
     Py_DECREF(object_);
   }
 }
 
 ScopedPyRef::operator PyObject*() const {
   return object_;
 }
@@ skipping 107 matching lines @@
 
 void PythonAsyncWaiter::CancelWait(MojoAsyncWaitID wait_id) {
   if (callbacks_.find(wait_id) != callbacks_.end()) {
     async_waiter_->CancelWait(wait_id);
     callbacks_.erase(wait_id);
   }
 }
 
 }  // namespace python
 }  // namespace mojo