Don't display the default content settings (wildcard patterns) in exceptions lists.

chrome/browser/ui/webui/options/content_settings_handler.cc

 // Copyright (c) 2011 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/webui/options/content_settings_handler.h"
 
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 463 matching lines @@
       CONTENT_SETTINGS_TYPE_GEOLOCATION,
       std::string(),
       &all_settings);
 
   // Group geolocation settings by primary_pattern.
   AllPatternsSettings all_patterns_settings;
   for (ContentSettingsForOneType::iterator i =
            all_settings.begin();
        i != all_settings.end();
        ++i) {
+    // Don't add default settings.
+    if (i->primary_pattern == ContentSettingsPattern::Wildcard() &&
+        i->secondary_pattern == ContentSettingsPattern::Wildcard() &&
+        i->source != "preferences") {
+      continue;
+    }
     all_patterns_settings[i->primary_pattern][i->secondary_pattern] =
         i->setting;
   }
 
   ListValue exceptions;
   for (AllPatternsSettings::iterator i = all_patterns_settings.begin();
        i != all_patterns_settings.end();
        ++i) {
     const ContentSettingsPattern& primary_pattern = i->first;
     const OnePatternSettings& one_settings = i->second;
@@ skipping 37 matching lines @@
       DesktopNotificationServiceFactory::GetForProfile(profile);
 
   ContentSettingsForOneType settings;
   service->GetNotificationsSettings(&settings);
 
   ListValue exceptions;
   for (ContentSettingsForOneType::const_iterator i =
            settings.begin();
        i != settings.end();
        ++i) {
+    // Don't add default settings.
+    if (i->primary_pattern == ContentSettingsPattern::Wildcard() &&
+        i->secondary_pattern == ContentSettingsPattern::Wildcard() &&
+        i->source != "preferences") {
+      continue;
+    }
+
     exceptions.Append(
         GetNotificationExceptionForPage(i->primary_pattern, i->setting,
                                         i->source));
   }
 
   StringValue type_string(
       ContentSettingsTypeToGroupName(CONTENT_SETTINGS_TYPE_NOTIFICATIONS));
   web_ui_->CallJavascriptFunction("ContentSettings.setExceptions",
                                   type_string, exceptions);
 
@@ skipping 255 matching lines @@
   return Profile::FromWebUI(web_ui_)->GetProtocolHandlerRegistry();
 }
 
 HostContentSettingsMap*
     ContentSettingsHandler::GetOTRContentSettingsMap() {
   Profile* profile = Profile::FromWebUI(web_ui_);
   if (profile->HasOffTheRecordProfile())
     return profile->GetOffTheRecordProfile()->GetHostContentSettingsMap();
   return NULL;
 }