Add UMA for the new generic permisison class

chrome/browser/content_settings/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/content_settings/permission_infobar_delegate.h"
 
+#include "chrome/browser/content_settings/permission_context_uma_util.h"
 #include "chrome/browser/content_settings/permission_queue_controller.h"
 #include "components/infobars/core/infobar.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 PermissionInfobarDelegate::~PermissionInfobarDelegate() {
+  if (!action_taken_)
+    PermissionContextUmaUtil::PermissionIgnored(type_);
 }
 
 PermissionInfobarDelegate::PermissionInfobarDelegate(
     PermissionQueueController* controller,
     const PermissionRequestID& id,
-    const GURL& requesting_origin)
-    : controller_(controller), id_(id), requesting_origin_(requesting_origin) {
+    const GURL& requesting_origin,
+    ContentSettingsType type)
+    : controller_(controller), id_(id), requesting_origin_(requesting_origin),
+      action_taken_(false),
+      type_(type) {
 }
 
 void PermissionInfobarDelegate::InfoBarDismissed() {
   SetPermission(false, false);
 }
 
 infobars::InfoBarDelegate::Type
 PermissionInfobarDelegate::GetInfoBarType() const {
   return PAGE_ACTION_TYPE;
 }
 
 base::string16 PermissionInfobarDelegate::GetButtonLabel(
     InfoBarButton button) const {
   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
       IDS_PERMISSION_ALLOW : IDS_PERMISSION_DENY);
 }
 
 bool PermissionInfobarDelegate::Accept() {
   SetPermission(true, true);
   return true;
 }
 
 bool PermissionInfobarDelegate::Cancel() {
   SetPermission(true, false);
   return true;
 }
 
 void PermissionInfobarDelegate::SetPermission(bool update_content_setting,
                                               bool allowed) {
+  action_taken_ = true;
   controller_->OnPermissionSet(
       id_, requesting_origin_,
       InfoBarService::WebContentsFromInfoBar(
           infobar())->GetLastCommittedURL().GetOrigin(),
       update_content_setting, allowed);
 }