Page Info: Hide default permissions with a value of Ask if the default is Ask.

chrome/browser/ui/website_settings/website_settings.cc

 // Copyright (c) 2012 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/ui/website_settings/website_settings.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
+#include "base/feature_list.h"
 #include "base/i18n/time_formatting.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 52 matching lines @@
 #include "chrome/browser/ui/website_settings/website_settings_infobar_delegate.h"
 #endif
 
 using base::ASCIIToUTF16;
 using base::UTF8ToUTF16;
 using base::UTF16ToUTF8;
 using content::BrowserThread;
 
 namespace {
 
+// TODO(crbug.com/698469): Remove kPageInfoAlwaysShowAllPermissions
+const base::Feature kPageInfoAlwaysShowAllPermissions{
+    "PageInfoAlwaysShowAllPermissions", base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Events for UMA. Do not reorder or change!
 enum SSLCertificateDecisionsDidRevoke {
   USER_CERT_DECISIONS_NOT_REVOKED = 0,
   USER_CERT_DECISIONS_REVOKED,
   END_OF_SSL_CERTIFICATE_DECISIONS_DID_REVOKE_ENUM
 };
 
 // The list of content settings types to display on the Website Settings UI. THE
 // ORDER OF THESE ITEMS IS IMPORTANT. To propose changing it, email
 // security-dev@chromium.org.
@@ skipping 101 matching lines @@
 
 // The list of chooser types that need to display entries in the Website
 // Settings UI. THE ORDER OF THESE ITEMS IS IMPORTANT. To propose changing it,
 // email security-dev@chromium.org.
 WebsiteSettings::ChooserUIInfo kChooserUIInfo[] = {
     {CONTENT_SETTINGS_TYPE_USB_CHOOSER_DATA, &GetUsbChooserContext,
      IDR_BLOCKED_USB, IDR_ALLOWED_USB, IDS_WEBSITE_SETTINGS_USB_DEVICE_LABEL,
      IDS_WEBSITE_SETTINGS_DELETE_USB_DEVICE, "name"},
 };
 
+// Show a permission unless the following conditions hold:
+// - Its current value is ASK or DEFAULT.
+// - Its built-in default value is ASK.
+bool ShouldShowPermission(WebsiteSettingsUI::PermissionInfo permission_info) {
+  if (base::FeatureList::IsEnabled(kPageInfoAlwaysShowAllPermissions))
+    return true;
+
+  if (permission_info.default_setting != CONTENT_SETTING_ASK)
+    return true;
+
+  switch (permission_info.setting) {
+    case CONTENT_SETTING_DEFAULT:
+    case CONTENT_SETTING_ASK:
+      return false;
+    default:
+      return true;
+  }
+}
+
 }  // namespace
 
 WebsiteSettings::WebsiteSettings(
     WebsiteSettingsUI* ui,
     Profile* profile,
     TabSpecificContentSettings* tab_specific_content_settings,
     content::WebContents* web_contents,
     const GURL& url,
     const security_state::SecurityInfo& security_info)
     : TabSpecificContentSettings::SiteDataObserver(
@@ skipping 450 matching lines @@
     if (info.primary_pattern == ContentSettingsPattern::Wildcard() &&
         info.secondary_pattern == ContentSettingsPattern::Wildcard()) {
       permission_info.default_setting = permission_info.setting;
       permission_info.setting = CONTENT_SETTING_DEFAULT;
     } else {
       permission_info.default_setting =
           content_settings_->GetDefaultContentSetting(permission_info.type,
                                                       NULL);
     }
 
-    permission_info_list.push_back(permission_info);
+    if (ShouldShowPermission(permission_info)) {
+      permission_info_list.push_back(permission_info);
+    }
   }
 
   for (const ChooserUIInfo& ui_info : kChooserUIInfo) {
     ChooserContextBase* context = ui_info.get_context(profile_);
     const GURL origin = site_url_.GetOrigin();
     auto chosen_objects = context->GetGrantedObjects(origin, origin);
     for (std::unique_ptr<base::DictionaryValue>& object : chosen_objects) {
       chosen_object_info_list.push_back(
           base::MakeUnique<WebsiteSettingsUI::ChosenObjectInfo>(
               ui_info, std::move(object)));
@@ skipping 41 matching lines @@
   info.connection_status = site_connection_status_;
   info.connection_status_description =
       UTF16ToUTF8(site_connection_details_);
   info.identity_status = site_identity_status_;
   info.identity_status_description =
       UTF16ToUTF8(site_identity_details_);
   info.certificate = certificate_;
   info.show_ssl_decision_revoke_button = show_ssl_decision_revoke_button_;
   ui_->SetIdentityInfo(info);
 }