Use scoped_ptr<> to pass ownership in more places.

remoting/host/local_input_monitor_mac.mm

 // 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 "remoting/host/local_input_monitor.h"
 
 #import <AppKit/AppKit.h>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 125 matching lines @@
 }
 
 - (bool)removeHost:(remoting::ChromotingHost*)host {
   base::AutoLock lock(hostsLock_);
   hosts_.erase(host);
   return hosts_.empty();
 }
 
 @end
 
+namespace remoting {
+
 namespace {
 
-class LocalInputMonitorMac : public remoting::LocalInputMonitor {
+class LocalInputMonitorMac : public LocalInputMonitor {
  public:
   LocalInputMonitorMac() : host_(NULL) {}
   virtual ~LocalInputMonitorMac();
-  virtual void Start(remoting::ChromotingHost* host) OVERRIDE;
+  virtual void Start(ChromotingHost* host) OVERRIDE;
   virtual void Stop() OVERRIDE;
 
  private:
-  remoting::ChromotingHost* host_;
+  ChromotingHost* host_;
   DISALLOW_COPY_AND_ASSIGN(LocalInputMonitorMac);
 };
 
 base::LazyInstance<base::Lock>::Leaky monitor_lock = LAZY_INSTANCE_INITIALIZER;
 LocalInputMonitorImpl* local_input_monitor = NULL;
 
 }  // namespace
 
 LocalInputMonitorMac::~LocalInputMonitorMac() {
   Stop();
 }
 
-void LocalInputMonitorMac::Start(remoting::ChromotingHost* host) {
+void LocalInputMonitorMac::Start(ChromotingHost* host) {
   base::AutoLock lock(monitor_lock.Get());
   if (!local_input_monitor)
     local_input_monitor = [[LocalInputMonitorImpl alloc] init];
   CHECK(local_input_monitor);
   [local_input_monitor addHost:host];
   host_ = host;
 }
 
 void LocalInputMonitorMac::Stop() {
   base::AutoLock lock(monitor_lock.Get());
   if ([local_input_monitor removeHost:host_]) {
     [local_input_monitor invalidate];
     [local_input_monitor release];
     local_input_monitor = nil;
   }
 }
 
-remoting::LocalInputMonitor* remoting::LocalInputMonitor::Create() {
-  return new LocalInputMonitorMac;
+scoped_ptr<LocalInputMonitor> LocalInputMonitor::Create() {
+  return scoped_ptr<LocalInputMonitor>(new LocalInputMonitorMac());
 }
+
+}  // namespace remoting