Distinguish plugin disconnections from plugin crashes.

chrome/browser/ui/hung_plugin_tab_helper.cc

 // 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 "chrome/browser/ui/hung_plugin_tab_helper.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "base/process_util.h"
@@ skipping 211 matching lines @@
 
 HungPluginTabHelper::HungPluginTabHelper(content::WebContents* contents)
     : content::WebContentsObserver(contents) {
   registrar_.Add(this, chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED,
                  content::NotificationService::AllSources());
 }
 
 HungPluginTabHelper::~HungPluginTabHelper() {
 }
 
-void HungPluginTabHelper::PluginCrashed(const FilePath& plugin_path) {
+void HungPluginTabHelper::PluginCrashed(const FilePath& plugin_path,
+                                        base::ProcessId plugin_pid) {
   // TODO(brettw) ideally this would take the child process ID. When we do this
   // for NaCl plugins, we'll want to know exactly which process it was since
   // the path won't be useful.
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents());
   if (!infobar_service)
     return;
 
   // For now, just do a brute-force search to see if we have this plugin. Since
   // we'll normally have 0 or 1, this is fast.
@@ skipping 146 matching lines @@
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents());
   if (!infobar_service)
     return;
 
   if (state->info_bar) {
     infobar_service->RemoveInfoBar(state->info_bar);
     state->info_bar = NULL;
   }
 }