Add UMA histogram to count hard revokes of user certificate error decisions.

chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm

 // Copyright 2014 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.
 
 #import "chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.h"
 
 #include <cmath>
 
 #import <AppKit/AppKit.h>
 
 #include "base/mac/bind_objc_block.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/sys_string_conversions.h"
 #import "chrome/browser/certificate_viewer.h"
 #include "chrome/browser/infobars/infobar_service.h"
-#include "chrome/browser/ssl/chrome_ssl_host_state_delegate.h"
 #import "chrome/browser/ui/browser_dialogs.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #import "chrome/browser/ui/cocoa/website_settings/permission_selector_button.h"
 #include "chrome/browser/ui/website_settings/permission_menu_model.h"
 #include "chrome/browser/ui/website_settings/website_settings_utils.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/cert_store.h"
@@ skipping 486 matching lines @@
 
 // Handler for the link button to show certificate information.
 - (void)showCertificateInfo:(id)sender {
   DCHECK(certificateId_);
   ShowCertificateViewerByID(webContents_, [self parentWindow], certificateId_);
 }
 
 // Handler for the link button to revoke user certificate decisions.
 - (void)resetCertificateDecisions:(id)sender {
   DCHECK(resetDecisionsButton_);
-  ChromeSSLHostStateDelegate* delegate =
-      presenter_->chrome_ssl_host_state_delegate();
-  DCHECK(delegate);
-  delegate->RevokeUserDecisionsHard(presenter_->site_url().host());
+  presenter_->OnSSLDecisionsRevokeButtonPressed();
   [self close];
 }
 
 // Handler for the link to show help information about the connection tab.
 - (void)showHelpPage:(id)sender {
   webContents_->OpenURL(content::OpenURLParams(
       GURL(chrome::kPageInfoHelpCenterURL), content::Referrer(),
       NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK, false));
 }
 
@@ skipping 687 matching lines @@
   [bubble_controller_ setPermissionInfo:permission_info_list];
 }
 
 void WebsiteSettingsUIBridge::SetFirstVisit(const base::string16& first_visit) {
   [bubble_controller_ setFirstVisit:first_visit];
 }
 
 void WebsiteSettingsUIBridge::SetSelectedTab(TabId tab_id) {
   [bubble_controller_ setSelectedTab:tab_id];
 }