add "always allow" option to the mediastream infobar and allow user to allow/not allow acces to devi

chrome/browser/content_settings/content_settings_default_provider.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/content_settings/content_settings_default_provider.h"
 
 #include <string>
 #include <vector>
 
 #include "base/auto_reset.h"
@@ skipping 26 matching lines @@
   CONTENT_SETTING_ALLOW,    // CONTENT_SETTINGS_TYPE_JAVASCRIPT
   CONTENT_SETTING_ALLOW,    // CONTENT_SETTINGS_TYPE_PLUGINS
   CONTENT_SETTING_BLOCK,    // CONTENT_SETTINGS_TYPE_POPUPS
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_GEOLOCATION
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_NOTIFICATIONS
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_INTENTS
   CONTENT_SETTING_DEFAULT,  // CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_FULLSCREEN
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_MOUSELOCK
   CONTENT_SETTING_DEFAULT,  // CONTENT_SETTINGS_TYPE_MIXEDSCRIPT
+  CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_MEDIASTREAM
 };
 COMPILE_ASSERT(arraysize(kDefaultSettings) == CONTENT_SETTINGS_NUM_TYPES,
                default_settings_incorrect_size);
 
 }  // namespace
 
 namespace content_settings {
 
 namespace {
 
@@ skipping 94 matching lines @@
   UMA_HISTOGRAM_ENUMERATION(
       "ContentSettings.DefaultHandlersSetting",
       ValueToContentSetting(
           default_settings_[CONTENT_SETTINGS_TYPE_INTENTS].get()),
       CONTENT_SETTING_NUM_SETTINGS);
   UMA_HISTOGRAM_ENUMERATION(
       "ContentSettings.DefaultMouseCursorSetting",
       ValueToContentSetting(
           default_settings_[CONTENT_SETTINGS_TYPE_MOUSELOCK].get()),
       CONTENT_SETTING_NUM_SETTINGS);
+  UMA_HISTOGRAM_ENUMERATION(
+      "ContentSettings.DefaultMediaStreamSetting",
+      ValueToContentSetting(
+          default_settings_[CONTENT_SETTINGS_TYPE_MEDIASTREAM].get()),
+      CONTENT_SETTING_NUM_SETTINGS);
 
   pref_change_registrar_.Init(prefs_);
   pref_change_registrar_.Add(prefs::kDefaultContentSettings, this);
   pref_change_registrar_.Add(prefs::kGeolocationDefaultContentSetting, this);
 }
 
 DefaultProvider::~DefaultProvider() {
 }
 
 bool DefaultProvider::SetWebsiteSetting(
@@ skipping 207 matching lines @@
     SetWebsiteSetting(
         ContentSettingsPattern::Wildcard(),
         ContentSettingsPattern::Wildcard(),
         CONTENT_SETTINGS_TYPE_GEOLOCATION,
         std::string(),
         value->DeepCopy());
   }
 }
 
 }  // namespace content_settings