Only Register() platform specific content settings types on different platforms

components/content_settings/core/browser/content_settings_registry_unittest.cc

 // Copyright 2015 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 <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "components/content_settings/core/browser/content_settings_info.h"
@@ skipping 44 matching lines @@
       info->website_settings_info();
   EXPECT_EQ("cookies", website_settings_info->name());
   EXPECT_EQ("profile.content_settings.exceptions.cookies",
             website_settings_info->pref_name());
   EXPECT_EQ("profile.default_content_setting_values.cookies",
             website_settings_info->default_value_pref_name());
   int setting;
   ASSERT_TRUE(
       website_settings_info->initial_default_value()->GetAsInteger(&setting));
   EXPECT_EQ(CONTENT_SETTING_ALLOW, setting);
+#if defined(OS_IOS)
+  EXPECT_EQ(PrefRegistry::NO_REGISTRATION_FLAGS,
+            website_settings_info->GetPrefRegistrationFlags());
+#else
   EXPECT_EQ(user_prefs::PrefRegistrySyncable::SYNCABLE_PREF,
             website_settings_info->GetPrefRegistrationFlags());
+#endif
 
   // Check the WebsiteSettingsInfo is registered correctly.
   EXPECT_EQ(website_settings_registry()->Get(CONTENT_SETTINGS_TYPE_COOKIES),
             website_settings_info);
 }
 
 TEST_F(ContentSettingsRegistryTest, Iteration) {
   // Check that plugins and cookies settings appear once during iteration.
   bool plugins_found = false;
   bool cookies_found = false;
   for (const ContentSettingsInfo* info : *registry()) {
     ContentSettingsType type = info->website_settings_info()->type();
     EXPECT_EQ(registry()->Get(type), info);
     if (type == CONTENT_SETTINGS_TYPE_PLUGINS) {
       EXPECT_FALSE(plugins_found);
       plugins_found = true;
     } else if (type == CONTENT_SETTINGS_TYPE_COOKIES) {
       EXPECT_FALSE(cookies_found);
       cookies_found = true;
     }
   }
 
+#if defined(OS_ANDROID) || defined(OS_IOS)
+  EXPECT_FALSE(plugins_found);
+#else
   EXPECT_TRUE(plugins_found);
+#endif
+
   EXPECT_TRUE(cookies_found);
 }
 
 }  // namespace content_settings