Clean up the PermissionInfoBarDelegate hierarchy.

chrome/browser/permissions/single_permission_infobar_delegate.cc

 // 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.
 
-#include "chrome/browser/permissions/permission_infobar_delegate.h"
+#include "chrome/browser/permissions/single_permission_infobar_delegate.h"
 
 #include "base/feature_list.h"
 #include "chrome/browser/permissions/permission_decision_auto_blocker.h"
 #include "chrome/browser/permissions/permission_request.h"
 #include "chrome/browser/permissions/permission_uma_util.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/url_formatter/elide_url.h"
 #include "ui/base/l10n/l10n_util.h"
 
-PermissionInfobarDelegate::~PermissionInfobarDelegate() {
+SinglePermissionInfoBarDelegate::~SinglePermissionInfoBarDelegate() {
   if (!action_taken_) {
-    PermissionDecisionAutoBlocker(profile_).RecordIgnore(requesting_origin_,
+    PermissionDecisionAutoBlocker(profile_).RecordIgnore(requesting_origin(),
                                                          permission_type_);
 
     PermissionUmaUtil::PermissionIgnored(
         permission_type_,
         user_gesture_ ? PermissionRequestGestureType::GESTURE
                       : PermissionRequestGestureType::NO_GESTURE,
-        requesting_origin_, profile_);
+        requesting_origin(), profile_);
   }
 }
 
-PermissionInfobarDelegate::PermissionInfobarDelegate(
+SinglePermissionInfoBarDelegate::SinglePermissionInfoBarDelegate(
     const GURL& requesting_origin,
     content::PermissionType permission_type,
     ContentSettingsType content_settings_type,
     bool user_gesture,
     Profile* profile,
     const PermissionSetCallback& callback)
-    : requesting_origin_(requesting_origin),
+    : PermissionInfoBarDelegate(requesting_origin),
       permission_type_(permission_type),
       content_settings_type_(content_settings_type),
       profile_(profile),
       callback_(callback),
       action_taken_(false),
-      user_gesture_(user_gesture),
-      persist_(true) {}
+      user_gesture_(user_gesture) {}
 
-bool PermissionInfobarDelegate::ShouldShowPersistenceToggle() const {
+ContentSettingsType SinglePermissionInfoBarDelegate::GetContentSettingType(
+    int index) const {
+  DCHECK_EQ(0, index);
+  return content_settings_type_;
+}
+
+bool SinglePermissionInfoBarDelegate::ShouldShowPersistenceToggle() const {
   // Only show the persistence toggle for geolocation.
   if (permission_type_ == content::PermissionType::GEOLOCATION) {
     return base::FeatureList::IsEnabled(
         features::kDisplayPersistenceToggleInPermissionPrompts);
   }
   return false;
 }
 
-base::string16 PermissionInfobarDelegate::GetMessageText() const {
+base::string16 SinglePermissionInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringFUTF16(
       GetMessageResourceId(),
       url_formatter::FormatUrlForSecurityDisplay(
-          requesting_origin_,
+          requesting_origin(),
           url_formatter::SchemeDisplay::OMIT_CRYPTOGRAPHIC));
 }
 
-infobars::InfoBarDelegate::Type PermissionInfobarDelegate::GetInfoBarType()
-    const {
-  return PAGE_ACTION_TYPE;
+void SinglePermissionInfoBarDelegate::SetPermission(bool update_content_setting,
+                                              PermissionAction decision) {

[raymes, 2016/08/17 03:36:40]

nit: indentation. git cl format should catch this?

+  action_taken_ = true;
+  callback_.Run(update_content_setting, decision);
 }
 
-void PermissionInfobarDelegate::InfoBarDismissed() {
-  SetPermission(false, DISMISSED);
-}
-
-PermissionInfobarDelegate*
-PermissionInfobarDelegate::AsPermissionInfobarDelegate() {
-  return this;
-}
-
-base::string16 PermissionInfobarDelegate::GetButtonLabel(
+base::string16 SinglePermissionInfoBarDelegate::GetButtonLabel(
     InfoBarButton button) const {
   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
       IDS_PERMISSION_ALLOW : IDS_PERMISSION_DENY);
 }
 
-bool PermissionInfobarDelegate::Accept() {
+bool SinglePermissionInfoBarDelegate::Accept() {
   bool update_content_setting = true;
-  if (ShouldShowPersistenceToggle()) {
-    update_content_setting = persist_;
-    PermissionUmaUtil::PermissionPromptAcceptedWithPersistenceToggle(

[raymes, 2016/08/17 03:36:40]

We're not calling this from anywhere anymore?

-        permission_type_, persist_);
-  }
+  if (ShouldShowPersistenceToggle())
+    update_content_setting = persist();
 
   SetPermission(update_content_setting, GRANTED);
   return true;
 }
 
-bool PermissionInfobarDelegate::Cancel() {
+bool SinglePermissionInfoBarDelegate::Cancel() {
   bool update_content_setting = true;
-  if (ShouldShowPersistenceToggle()) {
-    update_content_setting = persist_;
-    PermissionUmaUtil::PermissionPromptDeniedWithPersistenceToggle(
-        permission_type_, persist_);
-  }
+  if (ShouldShowPersistenceToggle())
+    update_content_setting = persist();
 
   SetPermission(update_content_setting, DENIED);
   return true;
 }
 
-void PermissionInfobarDelegate::SetPermission(bool update_content_setting,
-                                              PermissionAction decision) {
-  action_taken_ = true;
-  callback_.Run(update_content_setting, decision);
+void SinglePermissionInfoBarDelegate::InfoBarDismissed() {
+  SetPermission(false, DISMISSED);
 }