permissions: make ProtectedMediaIdentiferInfoBarDelegate a subclass of PermissionInfobarDelegate

chrome/browser/media/protected_media_identifier_infobar_delegate.h

Index: chrome/browser/media/protected_media_identifier_infobar_delegate.h
diff --git a/chrome/browser/media/protected_media_identifier_infobar_delegate.h b/chrome/browser/media/protected_media_identifier_infobar_delegate.h
index 6eee305448dedf508f7db34278e6ebb4f1198c6b..7f0f52dee62f74dc2988086b56f7678125f8ddeb 100644
--- a/chrome/browser/media/protected_media_identifier_infobar_delegate.h
+++ b/chrome/browser/media/protected_media_identifier_infobar_delegate.h
@@ -7,17 +7,13 @@
 
 #include <string>
 
-#include "chrome/browser/permissions/permission_request_id.h"
-#include "components/infobars/core/confirm_infobar_delegate.h"
-#include "url/gurl.h"
+#include "chrome/browser/permissions/permission_infobar_delegate.h"
 
 class PermissionQueueController;
 class InfoBarService;
 
-// TODO(toyoshim): Much more code can be shared with GeolocationInfoBarDelegate.
-// http://crbug.com/266743
-
-class ProtectedMediaIdentifierInfoBarDelegate : public ConfirmInfoBarDelegate {
+class ProtectedMediaIdentifierInfoBarDelegate
+    : public PermissionInfobarDelegate {
  public:
   // Creates a protected media identifier infobar and delegate and adds the
   // infobar to |infobar_service|.  Returns the infobar if it was successfully
@@ -35,23 +31,13 @@ class ProtectedMediaIdentifierInfoBarDelegate : public ConfirmInfoBarDelegate {
                                           const std::string& display_languages);
   ~ProtectedMediaIdentifierInfoBarDelegate() override;
 
-  // Calls back to the controller to inform it of the user's decision.
-  void SetPermission(bool update_content_setting, bool allowed);
-
  private:
   // ConfirmInfoBarDelegate:
-  Type GetInfoBarType() const override;
   int GetIconId() const override;
-  void InfoBarDismissed() override;
   base::string16 GetMessageText() const override;
-  base::string16 GetButtonLabel(InfoBarButton button) const override;
-  bool Accept() override;
-  bool Cancel() override;
   base::string16 GetLinkText() const override;
   bool LinkClicked(WindowOpenDisposition disposition) override;
 
-  PermissionQueueController* controller_;
-  const PermissionRequestID id_;
   GURL requesting_frame_;
   std::string display_languages_;