PasswordProtectionService verdict cache management

components/content_settings/core/common/content_settings.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 "components/content_settings/core/common/content_settings.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/stl_util.h"
@@ skipping 37 matching lines @@
     CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER,
 #else
     CONTENT_SETTINGS_TYPE_DEFAULT,  // PROTECTED_MEDIA_IDENTIFIER (mobile only).
 #endif
     CONTENT_SETTINGS_TYPE_APP_BANNER,
     CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT,
     CONTENT_SETTINGS_TYPE_DURABLE_STORAGE,
     CONTENT_SETTINGS_TYPE_DEFAULT,  // KEYGEN (removed).
     CONTENT_SETTINGS_TYPE_BLUETOOTH_GUARD,
     CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC,
+    CONTENT_SETTINGS_TYPE_PASSWORD_PROTECTION,

[raymes, 2017/03/17 07:49:07]

Sorry https://codereview.chromium.org/2728303002/ has been held up a bit and I'm
going OOO so might be a bit slow on it. You may just simply want to remove this
line for now and not collect data for it and we can add it in later. Thanks!

[Jialiu Lin, 2017/03/18 23:46:32]

Sure. Removed for now.

     CONTENT_SETTINGS_TYPE_AUTOPLAY,
     CONTENT_SETTINGS_TYPE_DEFAULT,  // PROMPT_NO_DECISION_COUNT (migrated).
     CONTENT_SETTINGS_TYPE_IMPORTANT_SITE_INFO,
     CONTENT_SETTINGS_TYPE_PERMISSION_AUTOBLOCKER_DATA,
     CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER,
 };
 
 int ContentSettingTypeToHistogramValue(ContentSettingsType content_setting,
                                        size_t* num_values) {
   // Translate the list above into a map for fast lookup.
@@ skipping 26 matching lines @@
 ContentSettingPatternSource::ContentSettingPatternSource()
     : setting(CONTENT_SETTING_DEFAULT), incognito(false) {
 }
 
 ContentSettingPatternSource::ContentSettingPatternSource(
     const ContentSettingPatternSource& other) = default;
 
 RendererContentSettingRules::RendererContentSettingRules() {}
 
 RendererContentSettingRules::~RendererContentSettingRules() {}