blimp: Update animation policy for images on the blimp engine.

blimp/engine/app/settings_manager_unittest.cc

 // Copyright 2016 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 "blimp/engine/app/settings_manager.h"
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blimp {
@@ skipping 22 matching lines @@
 TEST_F(SettingsManagerTest, InformsObserversCorrectly) {
   EngineSettings settings = settings_manager_.GetEngineSettings();
   EXPECT_FALSE(settings.record_whole_document);
 
   EXPECT_CALL(observer_, OnWebPreferencesChanged()).Times(1);
 
   settings.record_whole_document = true;
   settings_manager_.UpdateEngineSettings(settings);
 }
 
+TEST_F(SettingsManagerTest, UpdatesSettingsCorrectly) {
+  EngineSettings settings = settings_manager_.GetEngineSettings();
+  EXPECT_FALSE(settings.record_whole_document);
+  EXPECT_EQ(settings.animation_policy,
+            content::ImageAnimationPolicy::IMAGE_ANIMATION_POLICY_NO_ANIMATION);
+
+  settings.record_whole_document = true;
+  settings.animation_policy =
+      content::ImageAnimationPolicy::IMAGE_ANIMATION_POLICY_ANIMATION_ONCE;
+  settings_manager_.UpdateEngineSettings(settings);
+
+  content::WebPreferences prefs;
+  settings_manager_.UpdateWebkitPreferences(&prefs);
+  EXPECT_TRUE(prefs.record_whole_document);
+  EXPECT_EQ(
+      prefs.animation_policy,
+      content::ImageAnimationPolicy::IMAGE_ANIMATION_POLICY_ANIMATION_ONCE);
+}
+
 }  // namespace
 
 }  // namespace engine
 }  // namespace blimp