Remove all blimp engine code

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 {
-namespace engine {
-
-namespace {
-
-class MockSettingsManagerObserver : public SettingsManager::Observer {
- public:
-  MOCK_METHOD0(OnWebPreferencesChanged, void());
-};
-
-class SettingsManagerTest : public testing::Test {
- public:
-  SettingsManagerTest() {}
-
-  void SetUp() override { settings_manager_.AddObserver(&observer_); }
-
-  void TearDown() override { settings_manager_.RemoveObserver(&observer_); }
-
- protected:
-  SettingsManager settings_manager_;
-  MockSettingsManagerObserver observer_;
-};
-
-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);
-  EXPECT_TRUE(prefs.viewport_meta_enabled);
-  EXPECT_EQ(prefs.default_minimum_page_scale_factor, 0.25f);
-  EXPECT_EQ(prefs.default_maximum_page_scale_factor, 5.f);
-  EXPECT_TRUE(prefs.shrinks_viewport_contents_to_fit);
-}
-
-}  // namespace
-
-}  // namespace engine
-}  // namespace blimp