Add method for identifying different InfoBars

chrome/browser/devtools/devtools_ui_bindings.cc

Index: chrome/browser/devtools/devtools_ui_bindings.cc
diff --git a/chrome/browser/devtools/devtools_ui_bindings.cc b/chrome/browser/devtools/devtools_ui_bindings.cc
index ba62f47b0c1cf609fbb8daade628572eef2df59e..fc42f7dd07d56eed75d846a4c511201415013c32 100644
--- a/chrome/browser/devtools/devtools_ui_bindings.cc
+++ b/chrome/browser/devtools/devtools_ui_bindings.cc
@@ -126,6 +126,7 @@ class DevToolsConfirmInfoBarDelegate : public ConfirmInfoBarDelegate {
   ~DevToolsConfirmInfoBarDelegate() override;
 
  private:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   base::string16 GetMessageText() const override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   bool Accept() override;
@@ -150,6 +151,11 @@ DevToolsConfirmInfoBarDelegate::~DevToolsConfirmInfoBarDelegate() {
     callback_.Run(false);
 }
 
+infobars::InfoBarDelegate::InfoBarIdentifier
+DevToolsConfirmInfoBarDelegate::GetIdentifier() const {
+  return DEV_TOOLS_CONFIRM_INFOBAR_DELEGATE_ID;
+}
+
 base::string16 DevToolsConfirmInfoBarDelegate::GetMessageText() const {
   return message_;
 }