Stop spamming delayed tasks on each input event.

chrome/browser/render_view_host.cc

 // Copyright (c) 2006-2008 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 "chrome/browser/render_view_host.h"
 
 #include <string>
 #include <vector>
 
 #include "base/string_util.h"
@@ skipping 215 matching lines @@
     // Resume navigation
     Send(suspended_nav_message_.release());
   }
 }
 
 void RenderViewHost::FirePageBeforeUnload() {
   if (IsRenderViewLive()) {
     // Start the hang monitor in case the renderer hangs in the beforeunload
     // handler.
     is_waiting_for_unload_ack_ = true;
-    StartHangMonitorTimeout(kUnloadTimeoutMS);
+    StartHangMonitorTimeout(TimeDelta::FromMilliseconds(kUnloadTimeoutMS));
     Send(new ViewMsg_ShouldClose(routing_id_));
   } else {
     // This RenderViewHost doesn't have a live renderer, so just skip running
     // the onbeforeunload handler.
     OnMsgShouldCloseACK(true);
   }
 }
 
 void RenderViewHost::FirePageUnload() {
   // Start the hang monitor in case the renderer hangs in the unload handler.
   is_waiting_for_unload_ack_ = true;
-  StartHangMonitorTimeout(kUnloadTimeoutMS);
+  StartHangMonitorTimeout(TimeDelta::FromMilliseconds(kUnloadTimeoutMS));
   ClosePage(site_instance()->process_host_id(), 
             routing_id());
 }
 
 // static
 void RenderViewHost::ClosePageIgnoringUnloadEvents(int render_process_host_id,
                                                    int request_id) {
   RenderViewHost* rvh = RenderViewHost::FromID(render_process_host_id,
                                                request_id);
   if (!rvh)
@@ skipping 221 matching lines @@
 }
 
 void RenderViewHost::CaptureThumbnail() {
   Send(new ViewMsg_CaptureThumbnail(routing_id_));
 }
 
 void RenderViewHost::JavaScriptMessageBoxClosed(IPC::Message* reply_msg,
                                                 bool success,
                                                 const std::wstring& prompt) {
   if (is_waiting_for_unload_ack_)
-    StartHangMonitorTimeout(kUnloadTimeoutMS);
+    StartHangMonitorTimeout(TimeDelta::FromMilliseconds(kUnloadTimeoutMS));
 
   if (--modal_dialog_count_ == 0)
     ResetEvent(modal_dialog_event_.Get());
   ViewHostMsg_RunJavaScriptMessage::WriteReplyParams(reply_msg, success, prompt);
   Send(reply_msg);
 }
 
 void RenderViewHost::ModalHTMLDialogClosed(IPC::Message* reply_msg,
                                            const std::string& json_retval) {
   if (is_waiting_for_unload_ack_)
-    StartHangMonitorTimeout(kUnloadTimeoutMS);
+    StartHangMonitorTimeout(TimeDelta::FromMilliseconds(kUnloadTimeoutMS));
 
   if (--modal_dialog_count_ == 0)
     ResetEvent(modal_dialog_event_.Get());
 
   ViewHostMsg_ShowModalHTMLDialog::WriteReplyParams(reply_msg, json_retval);
   Send(reply_msg);
 }
 
 void RenderViewHost::CopyImageAt(int x, int y) {
   Send(new ViewMsg_CopyImageAt(routing_id_, x, y));
@@ skipping 699 matching lines @@
                                         event_name,
                                         event_arg));
 }
 #endif
 
 void RenderViewHost::ForwardMessageFromExternalHost(
     const std::string& target, const std::string& message) {
   Send(new ViewMsg_HandleMessageFromExternalHost(routing_id_, target, message));
 }