Use fake Input Device Settings with chrome://device-emulator

chrome/browser/chromeos/preferences_chromeos_browsertest.cc

 // Copyright 2014 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 <stddef.h>
 #include <sys/types.h>
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 24 matching lines @@
 namespace {
 
 const char* const kTestUsers[] = {"test-user1@gmail.com",
                                   "test-user2@gmail.com"};
 
 }  // namespace
 
 class PreferencesTest : public LoginManagerTest {
  public:
   PreferencesTest()
-      : LoginManagerTest(true), input_settings_(NULL), keyboard_(NULL) {
+      : LoginManagerTest(true), input_settings_(nullptr), keyboard_(nullptr) {
     for (size_t i = 0; i < arraysize(kTestUsers); ++i) {
       test_users_.push_back(AccountId::FromUserEmail(kTestUsers[i]));
     }
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     LoginManagerTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kStubCrosSettings);
   }
 
   void SetUpOnMainThread() override {
     LoginManagerTest::SetUpOnMainThread();
-    input_settings_ = new system::FakeInputDeviceSettings();
-    system::InputDeviceSettings::SetSettingsForTesting(input_settings_);
+    input_settings_ = system::InputDeviceSettings::Get()->GetFakeInterface();
+    EXPECT_NE(nullptr, input_settings_);
     keyboard_ = new input_method::FakeImeKeyboard();
     static_cast<input_method::InputMethodManagerImpl*>(
         input_method::InputMethodManager::Get())
         ->SetImeKeyboardForTesting(keyboard_);
     CrosSettings::Get()->SetString(kDeviceOwner, test_users_[0].GetUserEmail());
   }
 
   // Sets set of preferences in given |prefs|. Value of prefernece depends of
   // |variant| value. For opposite |variant| values all preferences receive
   // different values.
@@ skipping 58 matching lines @@
     chrome::MultiUserWindowManagerChromeOS* manager =
         static_cast<chrome::MultiUserWindowManagerChromeOS*>(
             chrome::MultiUserWindowManager::GetInstance());
     manager->SetAnimationSpeedForTest(
         chrome::MultiUserWindowManagerChromeOS::ANIMATION_SPEED_DISABLED);
   }
 
   std::vector<AccountId> test_users_;
 
  private:
-  system::FakeInputDeviceSettings* input_settings_;
+  system::InputDeviceSettings::FakeInterface* input_settings_;
   input_method::FakeImeKeyboard* keyboard_;
 
   DISALLOW_COPY_AND_ASSIGN(PreferencesTest);
 };
 
 IN_PROC_BROWSER_TEST_F(PreferencesTest, PRE_MultiProfiles) {
   RegisterUser(test_users_[0].GetUserEmail());
   RegisterUser(test_users_[1].GetUserEmail());
   chromeos::StartupUtils::MarkOobeCompleted();
 }
@@ skipping 59 matching lines @@
                      !prefs1->GetBoolean(prefs::kTapToClickEnabled));
   CheckLocalStateCorrespondsToPrefs(prefs1);
 
   // Switch user back.
   user_manager->SwitchActiveUser(test_users_[0]);
   CheckSettingsCorrespondToPrefs(prefs1);
   CheckLocalStateCorrespondsToPrefs(prefs1);
 }
 
 }  // namespace chromeos