Template methods on Timer classes instead of the classes themselves.

remoting/host/clipboard_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/clipboard.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 19 matching lines @@
   ClipboardMac();
   ~ClipboardMac() override;
 
   void Start(scoped_ptr<protocol::ClipboardStub> client_clipboard) override;
   void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
 
  private:
   void CheckClipboardForChanges();
 
   scoped_ptr<protocol::ClipboardStub> client_clipboard_;
-  scoped_ptr<base::RepeatingTimer<ClipboardMac> > clipboard_polling_timer_;
+  scoped_ptr<base::RepeatingTimer> clipboard_polling_timer_;
   NSInteger current_change_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ClipboardMac);
 };
 
 ClipboardMac::ClipboardMac() : current_change_count_(0) {}
 
 ClipboardMac::~ClipboardMac() {}
 
 void ClipboardMac::Start(scoped_ptr<protocol::ClipboardStub> client_clipboard) {
   client_clipboard_.reset(client_clipboard.release());
 
   // Synchronize local change-count with the pasteboard's. The change-count is
   // used to detect clipboard changes.
   current_change_count_ = [[NSPasteboard generalPasteboard] changeCount];
 
   // OS X doesn't provide a clipboard-changed notification. The only way to
   // detect clipboard changes is by polling.
-  clipboard_polling_timer_.reset(new base::RepeatingTimer<ClipboardMac>());
+  clipboard_polling_timer_.reset(new base::RepeatingTimer());
   clipboard_polling_timer_->Start(FROM_HERE,
       base::TimeDelta::FromMilliseconds(kClipboardPollingIntervalMs),
       this, &ClipboardMac::CheckClipboardForChanges);
 }
 
 void ClipboardMac::InjectClipboardEvent(const protocol::ClipboardEvent& event) {
   // Currently we only handle UTF-8 text.
   if (event.mime_type().compare(kMimeTypeTextUtf8) != 0)
     return;
   if (!StringIsUtf8(event.data().c_str(), event.data().length())) {
@@ skipping 30 matching lines @@
   event.set_mime_type(kMimeTypeTextUtf8);
   event.set_data(base::SysNSStringToUTF8(data));
   client_clipboard_->InjectClipboardEvent(event);
 }
 
 scoped_ptr<Clipboard> Clipboard::Create() {
   return make_scoped_ptr(new ClipboardMac());
 }
 
 }  // namespace remoting