Revert "Automatically trigger installation of high-quality speech synthesis extension."

chrome/browser/extensions/external_component_loader_unittest.cc

-// Copyright 2013 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/extensions/external_component_loader.h"
-
-#include "base/values.h"
-#include "chrome/browser/extensions/external_provider_impl.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/speech/tts_platform.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "chrome/test/base/testing_profile.h"
-#include "content/public/test/test_browser_thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-#if defined(OS_CHROMEOS)
-#include "chrome/browser/chromeos/login/user_manager_impl.h"
-#include "chrome/browser/chromeos/settings/cros_settings.h"
-#include "chrome/browser/chromeos/settings/device_settings_service.h"
-#endif  // defined(OS_CHROMEOS)
-
-using content::BrowserThread;
-using extensions::ExternalProviderImpl;
-using extensions::ExternalProviderInterface;
-using extensions::Manifest;
-using extensions::ProviderCollection;
-
-namespace extensions {
-
-namespace {
-class TestUtterance : public Utterance {
- public:
-  explicit TestUtterance(Profile* profile) : Utterance(profile) {
-  }
-
-  virtual ~TestUtterance() {
-    set_finished_for_testing(true);
-  }
-};
-
-class FakeVisitorInterface
-    : public ExternalProviderInterface::VisitorInterface {
- public:
-  FakeVisitorInterface() {}
-  virtual ~FakeVisitorInterface() {}
-
-  virtual bool OnExternalExtensionFileFound(
-      const std::string& id,
-      const base::Version* version,
-      const base::FilePath& path,
-      Manifest::Location location,
-      int creation_flags,
-      bool mark_acknowledged) OVERRIDE {
-    return true;
-  }
-
-  virtual bool OnExternalExtensionUpdateUrlFound(
-      const std::string& id,
-      const GURL& update_url,
-      Manifest::Location location,
-      int creation_flags,
-      bool mark_acknowledged) OVERRIDE {
-    return true;
-  }
-
-  virtual void OnExternalProviderReady(
-      const ExternalProviderInterface* provider) OVERRIDE {}
-};
-}  // anonymous namespace
-
-#if defined(OS_CHROMEOS)
-class ExternalComponentLoaderTest : public testing::Test {
- public:
-  ExternalComponentLoaderTest()
-      : ui_thread_(BrowserThread::UI, &message_loop_),
-        user_manager_enabler_(new chromeos::UserManagerImpl()) {
-  }
-
-  virtual ~ExternalComponentLoaderTest() {}
-
-  // testing::Test overrides:
-  virtual void SetUp() OVERRIDE {
-    testing_profile_.reset(new TestingProfile());
-    ExternalProviderImpl::CreateExternalProviders(
-        &service_, testing_profile_.get(), &providers_);
-  }
-
-  virtual void TearDown() OVERRIDE {
-  }
-
-  bool IsHighQualityEnglishSpeechExtensionInstalled() {
-    const std::string& id = extension_misc::kHighQuality_en_US_ExtensionId;
-    for (size_t i = 0; i < providers_.size(); ++i) {
-      if (!providers_[i]->IsReady())
-        continue;
-      if (providers_[i]->HasExtension(id))
-        return true;
-    }
-    return false;
-  }
-
- protected:
-  base::MessageLoop message_loop_;
-  content::TestBrowserThread ui_thread_;
-  chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
-  chromeos::ScopedTestCrosSettings test_cros_settings_;
-  chromeos::ScopedUserManagerEnabler user_manager_enabler_;
-  scoped_ptr<Profile> testing_profile_;
-  FakeVisitorInterface service_;
-  ProviderCollection providers_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ExternalComponentLoaderTest);
-};
-
-TEST_F(ExternalComponentLoaderTest, Speaking100TimesInstallsSpeechExtension) {
-  ASSERT_FALSE(IsHighQualityEnglishSpeechExtensionInstalled());
-
-  TtsPlatformImpl* tts_platform = TtsPlatformImpl::GetInstance();
-  TestUtterance utterance(testing_profile_.get());
-  VoiceData voice_data;
-  voice_data.lang = "en-US";
-  voice_data.extension_id = extension_misc::kSpeechSynthesisExtensionId;
-
-  // 99 times should not be sufficient.
-  for (int i = 0; i < 99; i++)
-    tts_platform->WillSpeakUtteranceWithVoice(&utterance, voice_data);
-  ASSERT_FALSE(IsHighQualityEnglishSpeechExtensionInstalled());
-
-  // The 100th time should install it.
-  tts_platform->WillSpeakUtteranceWithVoice(&utterance, voice_data);
-  ASSERT_TRUE(IsHighQualityEnglishSpeechExtensionInstalled());
-}
-
-TEST_F(ExternalComponentLoaderTest,
-       UsingOtherVoiceDoesNotTriggerInstallingSpeechExtension) {
-  ASSERT_FALSE(IsHighQualityEnglishSpeechExtensionInstalled());
-
-  TtsPlatformImpl* tts_platform = TtsPlatformImpl::GetInstance();
-  TestUtterance utterance(testing_profile_.get());
-  VoiceData voice_data;
-  voice_data.lang = "en-US";
-  voice_data.extension_id = "dummy";  // Some other extension id.
-
-  for (int i = 0; i < 100; i++)
-    tts_platform->WillSpeakUtteranceWithVoice(&utterance, voice_data);
-  ASSERT_FALSE(IsHighQualityEnglishSpeechExtensionInstalled());
-}
-
-TEST_F(ExternalComponentLoaderTest,
-       UnsupportedLangDoesNotTriggerInstallingSpeechExtension) {
-  ASSERT_FALSE(IsHighQualityEnglishSpeechExtensionInstalled());
-
-  TtsPlatformImpl* tts_platform = TtsPlatformImpl::GetInstance();
-  TestUtterance utterance(testing_profile_.get());
-  VoiceData voice_data;
-  voice_data.lang = "tlh";  // Klingon
-  voice_data.extension_id = extension_misc::kSpeechSynthesisExtensionId;
-
-  for (int i = 0; i < 100; i++)
-    tts_platform->WillSpeakUtteranceWithVoice(&utterance, voice_data);
-  ASSERT_FALSE(IsHighQualityEnglishSpeechExtensionInstalled());
-}
-#endif  // defined(OS_CHROMEOS)
-
-}  // namespace extensions