Add method for identifying different InfoBars

chrome/browser/plugins/plugin_observer.cc

Index: chrome/browser/plugins/plugin_observer.cc
diff --git a/chrome/browser/plugins/plugin_observer.cc b/chrome/browser/plugins/plugin_observer.cc
index ed901b13186763e83a1ec06e8b5c1aefac283f99..35e623b4c77fb9df8f8e726287d2770de10cf708 100644
--- a/chrome/browser/plugins/plugin_observer.cc
+++ b/chrome/browser/plugins/plugin_observer.cc
@@ -25,6 +25,7 @@
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "components/infobars/core/infobar.h"
+#include "components/infobars/core/infobar_delegate.h"
 #include "components/infobars/core/simple_alert_infobar_delegate.h"
 #include "components/metrics_services_manager/metrics_services_manager.h"
 #include "content/public/browser/plugin_service.h"
@@ -137,6 +138,7 @@ class ReloadPluginInfoBarDelegate : public ConfirmInfoBarDelegate {
   ~ReloadPluginInfoBarDelegate() override;
 
   // ConfirmInfobarDelegate:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   int GetIconId() const override;
   gfx::VectorIconId GetVectorIconId() const override;
   base::string16 GetMessageText() const override;
@@ -166,6 +168,11 @@ ReloadPluginInfoBarDelegate::ReloadPluginInfoBarDelegate(
 
 ReloadPluginInfoBarDelegate::~ReloadPluginInfoBarDelegate(){ }
 
+infobars::InfoBarDelegate::InfoBarIdentifier
+ReloadPluginInfoBarDelegate::GetIdentifier() const {
+  return RELOAD_PLUGIN_INFOBAR_DELEGATE_ID;
+}
+
 int ReloadPluginInfoBarDelegate::GetIconId() const {
   return IDR_INFOBAR_PLUGIN_CRASHED;
 }
@@ -417,6 +424,7 @@ void PluginObserver::OnCouldNotLoadPlugin(const base::FilePath& plugin_path) {
       PluginService::GetInstance()->GetPluginDisplayNameByPath(plugin_path);
   SimpleAlertInfoBarDelegate::Create(
       InfoBarService::FromWebContents(web_contents()),
+      infobars::InfoBarDelegate::PLUGIN_OBSERVER_ID,
       IDR_INFOBAR_PLUGIN_CRASHED,
 #if !defined(OS_MACOSX) && !defined(OS_IOS) && !defined(OS_ANDROID)
       gfx::VectorIconId::EXTENSION_CRASHED,