Adding performance tests for HQP that represent importance of optimising HistoryItemsForTerms method

chrome/test/base/performance_interactive_ui_tests_main.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// 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 <memory>
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/chrome_test_launcher.h"
-
-#include "build/build_config.h"
 #include "chrome/test/base/chrome_test_suite.h"
 #include "ui/base/test/ui_controls.h"
+#include "ui/compositor/compositor_switches.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/test/ui_controls_factory_aura.h"
 #include "ui/base/test/ui_controls_aura.h"
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(OS_LINUX)
 #include "ui/views/test/ui_controls_factory_desktop_aurax11.h"
 #endif
 #endif
 
-#if defined(OS_CHROMEOS)
-#include "ash/test/ui_controls_factory_ash.h"
+#if defined(OS_WIN)
+#include "base/win/scoped_com_initializer.h"
 #endif
 
-#if defined(OS_WIN)
-#include "base/win/scoped_com_initializer.h"
-#include "chrome/test/base/always_on_top_window_killer_win.h"
-#endif
-
-class InteractiveUITestSuite : public ChromeTestSuite {
+class PerformanceInteractiveUITestSuite : public ChromeTestSuite {
  public:
-  InteractiveUITestSuite(int argc, char** argv) : ChromeTestSuite(argc, argv) {}
-  ~InteractiveUITestSuite() override {}
+  PerformanceInteractiveUITestSuite(int argc, char** argv)
+      : ChromeTestSuite(argc, argv) {}
+  ~PerformanceInteractiveUITestSuite() override {}
 
  protected:
   // ChromeTestSuite overrides:
   void Initialize() override {
     ChromeTestSuite::Initialize();
 
-    // Only allow ui_controls to be used in interactive_ui_tests, since they
-    // depend on focus and can't be sharded.
+    // Only allow ui_controls to be used in performance_interactive_ui_tests,
+    // since they depend on focus and can't be sharded.
     ui_controls::EnableUIControls();
 
-#if defined(OS_CHROMEOS)
-    ui_controls::InstallUIControlsAura(ash::test::CreateAshUIControls());
-#elif defined(USE_AURA)
+#if defined(USE_AURA)
 #if defined(OS_WIN)
     com_initializer_.reset(new base::win::ScopedCOMInitializer());
 #endif
 
 #if defined(OS_LINUX)
     ui_controls::InstallUIControlsAura(
         views::test::CreateUIControlsDesktopAura());
 #else
-    // TODO(win_ash): when running interactive_ui_tests for Win Ash, use above.
+    // TODO(win_ash): when running performance_interactive_ui_tests
+    // for Win Ash, use above.
     ui_controls::InstallUIControlsAura(aura::test::CreateUIControlsAura(NULL));
 #endif
 #endif
+    base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
+    DCHECK(cmd);
+    // Enable pixel output for performance tests.
+    cmd->AppendSwitch(switches::kEnablePixelOutputInTests);
   }
 
   void Shutdown() override {
 #if defined(OS_WIN)
     com_initializer_.reset();
 #endif
   }
 
  private:
 #if defined(OS_WIN)
   std::unique_ptr<base::win::ScopedCOMInitializer> com_initializer_;
 #endif
 };
 
-class InteractiveUITestSuiteRunner : public ChromeTestSuiteRunner {
+class PerformanceInteractiveUITestSuiteRunner : public ChromeTestSuiteRunner {
  public:
   int RunTestSuite(int argc, char** argv) override {
-    return InteractiveUITestSuite(argc, argv).Run();
+    return PerformanceInteractiveUITestSuite(argc, argv).Run();
   }
 };
 
 int main(int argc, char** argv) {
-#if defined(OS_WIN)
-  KillAlwaysOnTopWindows(RunType::BEFORE_TEST);
-#endif
-  // Run interactive_ui_tests serially, they do not support running in parallel.
+  // Run performance_interactive_ui_tests serially,
+  // they do not support running in parallel.
   int default_jobs = 1;
-  InteractiveUITestSuiteRunner runner;
+  PerformanceInteractiveUITestSuiteRunner runner;
   ChromeTestLauncherDelegate delegate(&runner);
-  const int result = LaunchChromeTests(default_jobs, &delegate, argc, argv);
-#if defined(OS_WIN)
-  KillAlwaysOnTopWindows(RunType::AFTER_TEST);
-#endif
-  return result;
+  return LaunchChromeTests(default_jobs, &delegate, argc, argv);
 }