Add method for identifying different InfoBars

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/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/process.h"
@@ skipping 128 matching lines @@
                                    int plugin_child_id,
                                    const base::string16& plugin_name);
 
  private:
   HungPluginInfoBarDelegate(HungPluginTabHelper* helper,
                             int plugin_child_id,
                             const base::string16& plugin_name);
   ~HungPluginInfoBarDelegate() override;
 
   // ConfirmInfoBarDelegate:
+  std::string GetIdentifier() const override;
   int GetIconId() const override;
   base::string16 GetMessageText() const override;
   int GetButtons() const override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   bool Accept() override;
 
   HungPluginTabHelper* helper_;
   int plugin_child_id_;
 
   base::string16 message_;
@@ skipping 20 matching lines @@
       plugin_child_id_(plugin_child_id),
       message_(l10n_util::GetStringFUTF16(
           IDS_BROWSER_HANGMONITOR_PLUGIN_INFOBAR, plugin_name)),
       button_text_(l10n_util::GetStringUTF16(
           IDS_BROWSER_HANGMONITOR_PLUGIN_INFOBAR_KILLBUTTON)) {
 }
 
 HungPluginInfoBarDelegate::~HungPluginInfoBarDelegate() {
 }
 
+std::string HungPluginInfoBarDelegate::GetIdentifier() const {
+  return "HungPluginInfoBarDelegate";
+}
+
 int HungPluginInfoBarDelegate::GetIconId() const {
   return IDR_INFOBAR_PLUGIN_CRASHED;
 }
 
 base::string16 HungPluginInfoBarDelegate::GetMessageText() const {
   return message_;
 }
 
 int HungPluginInfoBarDelegate::GetButtons() const {
   return BUTTON_OK;
@@ skipping 218 matching lines @@
 }
 
 void HungPluginTabHelper::CloseBar(PluginState* state) {
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents());
   if (infobar_service && state->infobar) {
     infobar_service->RemoveInfoBar(state->infobar);
     state->infobar = NULL;
   }
 }