Add 'autoplay' content settings and expose it to Blink.

chrome/browser/extensions/api/content_settings/content_settings_apitest.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 <memory>
 
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 118 matching lines @@
     EXPECT_EQ(CONTENT_SETTING_ASK,
               map->GetContentSetting(example_url,
                                      example_url,
                                      CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
                                      std::string()));
     EXPECT_EQ(CONTENT_SETTING_ASK,
               map->GetContentSetting(example_url,
                                      example_url,
                                      CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
                                      std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_AUTOPLAY,
+                                     std::string()));
 
     // Check content settings for www.google.com
     GURL url("http://www.google.com");
     EXPECT_FALSE(cookie_settings->IsReadingCookieAllowed(url, url));
     EXPECT_EQ(CONTENT_SETTING_ALLOW,
               map->GetContentSetting(
                   url, url, CONTENT_SETTINGS_TYPE_IMAGES, std::string()));
     EXPECT_EQ(CONTENT_SETTING_BLOCK,
               map->GetContentSetting(
                   url, url, CONTENT_SETTINGS_TYPE_JAVASCRIPT, std::string()));
@@ skipping 22 matching lines @@
     EXPECT_EQ(CONTENT_SETTING_BLOCK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, std::string()));
     EXPECT_EQ(CONTENT_SETTING_BLOCK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_PPAPI_BROKER, std::string()));
     EXPECT_EQ(CONTENT_SETTING_BLOCK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
             std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+        map->GetContentSetting(
+            url, url, CONTENT_SETTINGS_TYPE_AUTOPLAY, std::string()));
   }
 
   void CheckContentSettingsDefault() {
     HostContentSettingsMap* map =
         HostContentSettingsMapFactory::GetForProfile(profile_);
     content_settings::CookieSettings* cookie_settings =
         CookieSettingsFactory::GetForProfile(profile_).get();
 
     // Check content settings for www.google.com
     GURL url("http://www.google.com");
@@ skipping 31 matching lines @@
     EXPECT_EQ(CONTENT_SETTING_ASK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, std::string()));
     EXPECT_EQ(CONTENT_SETTING_ASK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_PPAPI_BROKER, std::string()));
     EXPECT_EQ(CONTENT_SETTING_ASK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
             std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_AUTOPLAY, std::string()));
   }
 
  private:
   Profile* profile_;
   std::unique_ptr<ScopedKeepAlive> keep_alive_;
 };
 
 // http://crbug.com/177163
 #if defined(OS_WIN) && !defined(NDEBUG)
 #define MAYBE_Standard DISABLED_Standard
@@ skipping 51 matching lines @@
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionContentSettingsApiTest,
                        UnsupportedDefaultSettings) {
   const char kExtensionPath[] = "content_settings/unsupporteddefaultsettings";
   EXPECT_TRUE(RunExtensionSubtest(kExtensionPath, "test.html")) << message_;
 }
 
 }  // namespace extensions