Make GTK and Aura parts orthogonal to OS parts

chrome/browser/chrome_browser_main.cc

 // Copyright (c) 2011 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/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 15 matching lines @@
 #include "base/sys_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/browser_process_impl.h"
 #include "chrome/browser/browser_shutdown.h"
-#include "chrome/browser/chrome_browser_main_gtk.h"
-#include "chrome/browser/chrome_browser_main_win.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/default_apps_trial.h"
 #include "chrome/browser/extensions/extension_protocols.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extensions_startup.h"
 #include "chrome/browser/first_run/first_run_browser_process.h"
 #include "chrome/browser/first_run/upgrade_util.h"
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/instant/instant_field_trial.h"
@@ skipping 66 matching lines @@
 #include "net/url_request/url_request_throttler_manager.h"
 #include "net/websockets/websocket_job.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 #if defined(USE_LINUX_BREAKPAD)
 #include "base/linux_util.h"
 #include "chrome/app/breakpad_linux.h"
 #endif
 
-#if defined(TOOLKIT_USES_GTK)
-#include "chrome/browser/ui/gtk/gtk_util.h"
-#endif
-
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 #include "chrome/browser/first_run/upgrade_util_linux.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/audio_handler.h"
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #include "chrome/browser/chromeos/cros_settings_names.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/screen_lock_library.h"
@@ skipping 16 matching lines @@
 // TODO(port): several win-only methods have been pulled out of this, but
 // BrowserMain() as a whole needs to be broken apart so that it's usable by
 // other platforms. For now, it's just a stub. This is a serious work in
 // progress and should not be taken as an indication of a real refactoring.
 
 #if defined(OS_WIN)
 #include "base/environment.h"  // For PreRead experiment.
 #include "base/win/windows_version.h"
 #include "chrome/browser/browser_trial.h"
 #include "chrome/browser/browser_util_win.h"
+#include "chrome/browser/chrome_browser_main_win.h"
 #include "chrome/browser/first_run/try_chrome_dialog_view.h"
 #include "chrome/browser/first_run/upgrade_util_win.h"
 #include "chrome/browser/fragmentation_checker_win.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/rlz/rlz.h"
 #include "chrome/browser/ui/views/user_data_dir_dialog.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/shell_util.h"
 #include "content/browser/user_metrics.h"
@@ skipping 14 matching lines @@
 #include "chrome/browser/ui/views/chrome_views_delegate.h"
 #include "views/desktop/desktop_window_view.h"
 #include "views/focus/accelerator_handler.h"
 #include "views/widget/widget.h"
 #if defined(TOOLKIT_USES_GTK)
 #include "views/widget/native_widget_gtk.h"
 #endif
 #endif
 
 #if defined(TOOLKIT_USES_GTK)
+#include "chrome/browser/ui/gtk/gtk_util.h"
 #include "ui/gfx/gtk_util.h"
 #endif
 
 #if defined(TOUCH_UI)
 #include "ui/base/touch/touch_factory.h"
 #endif
 
+#if defined(USE_X11)
+#include "chrome/browser/chrome_browser_main_x11.h"
+#endif
+
 #if defined(USE_AURA)
 #include "chrome/browser/ui/views/aura/chrome_shell_delegate.h"
 #include "ui/aura/desktop.h"
 #include "ui/aura_shell/shell.h"
 #endif
 
 namespace net {
 class NetLog;
 }  // namespace net
 
@@ skipping 459 matching lines @@
 // localization data files.
 const char kMissingLocaleDataTitle[] = "Missing File Error";
 const char kMissingLocaleDataMessage[] =
     "Unable to find locale data files. Please reinstall.";
 }  // namespace chrome_browser
 
 // BrowserMainParts ------------------------------------------------------------
 
 ChromeBrowserMainParts::ChromeBrowserMainParts(
     const MainFunctionParams& parameters)
-    : BrowserMainParts(parameters),
+    : parameters_(parameters),
+      parsed_command_line_(parameters.command_line_),
+      result_code_(content::RESULT_CODE_NORMAL_EXIT),
       shutdown_watcher_(new ShutdownWatcherHelper()),
       record_search_engine_(false),
       translate_manager_(NULL),
       profile_(NULL),
       run_message_loop_(true),
       notify_result_(ProcessSingleton::PROCESS_NONE) {
   // If we're running tests (ui_task is non-null).
   if (parameters.ui_task)
     browser_defaults::enable_help_app = false;
 }
 
 ChromeBrowserMainParts::~ChromeBrowserMainParts() {
 }
 
 // This will be called after the command-line has been mutated by about:flags
 MetricsService* ChromeBrowserMainParts::SetupMetricsAndFieldTrials(
-    const CommandLine& parsed_command_line,
     PrefService* local_state) {
   // Must initialize metrics after labs have been converted into switches,
   // but before field trials are set up (so that client ID is available for
   // one-time randomized field trials).
-  MetricsService* metrics = InitializeMetrics(parsed_command_line, local_state);
+  MetricsService* metrics = InitializeMetrics(
+      parsed_command_line_, local_state);
 
   // Initialize FieldTrialList to support FieldTrials that use one-time
   // randomization. The client ID will be empty if the user has not opted
   // to send metrics.
   field_trial_list_.reset(new base::FieldTrialList(metrics->GetClientId()));
 
   SetupFieldTrials(metrics->recording_active(),
                    local_state->IsManagedPreference(
                        prefs::kMaxConnectionsPerProxy));
 
@@ skipping 452 matching lines @@
 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
   // Need an instance of AtExitManager to handle singleton creations and
   // deletions.  We need this new instance because, the old instance created
   // in ChromeMain() got destructed when the function returned.
   base::AtExitManager exit_manager;
   upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded();
 }
 #endif
 
 void ChromeBrowserMainParts::PreMainMessageLoopRun() {
-  set_result_code(PreMainMessageLoopRunInternal());
+  result_code_ = PreMainMessageLoopRunImpl();
 }
 
-int ChromeBrowserMainParts::PreMainMessageLoopRunInternal() {
+int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   run_message_loop_ = false;
   FilePath user_data_dir;
 #if defined(OS_WIN)
   PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
 #else
   // Getting the user data dir can fail if the directory isn't
   // creatable, for example; on Windows in code below we bring up a
   // dialog prompting the user to pick a different directory.
   // However, ProcessSingleton needs a real user_data_dir on Mac/Linux,
   // so it's better to fail here than fail mysteriously elsewhere.
@@ skipping 182 matching lines @@
   InitializeURLRequestThrottlerManager(browser_process_->net_log());
 
   // Initialize histogram synchronizer system. This is a singleton and is used
   // for posting tasks via NewRunnableMethod. Its deleted when it goes out of
   // scope. Even though NewRunnableMethod does AddRef and Release, the object
   // will not be deleted after the Task is executed.
   histogram_synchronizer_ = new HistogramSynchronizer();
 
   // Now the command line has been mutated based on about:flags, we can
   // set up metrics and initialize field trials.
-  MetricsService* metrics =
-      SetupMetricsAndFieldTrials(parsed_command_line(), local_state);
+  MetricsService* metrics = SetupMetricsAndFieldTrials(local_state);
 
 #if defined(USE_WEBKIT_COMPOSITOR)
   // We need to ensure WebKit has been initialized before we start the WebKit
   // compositor. This is done by the ResourceDispatcherHost on creation.
   g_browser_process->resource_dispatcher_host();
 #endif
 #if defined(USE_AURA)
   // Shell takes ownership of ChromeShellDelegate.
   aura_shell::Shell::GetInstance()->SetDelegate(new ChromeShellDelegate);
 #elif defined(TOOLKIT_VIEWS)
@@ skipping 68 matching lines @@
   // On Windows, we use our startup as an opportunity to do upgrade/uninstall
   // tasks.  Those care whether the browser is already running.  On Linux/Mac,
   // upgrade/uninstall happen separately.
   bool already_running = browser_util::IsBrowserAlreadyRunning();
 
   // If the command line specifies 'uninstall' then we need to work here
   // unless we detect another chrome browser running.
   if (parsed_command_line().HasSwitch(switches::kUninstall)) {
     return DoUninstallTasks(already_running);
   }
-#endif
 
   if (parsed_command_line().HasSwitch(switches::kHideIcons) ||
       parsed_command_line().HasSwitch(switches::kShowIcons)) {
-    return HandleIconsCommands(parsed_command_line());
+    return ChromeBrowserMainPartsWin::HandleIconsCommands(
+        parsed_command_line_);
   }
+#endif
+
   if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) {
     return ShellIntegration::SetAsDefaultBrowser() ?
         static_cast<int>(content::RESULT_CODE_NORMAL_EXIT) :
         static_cast<int>(chrome::RESULT_CODE_SHELL_INTEGRATION_FAILED);
   }
 
   // If the command line specifies --pack-extension, attempt the pack extension
   // startup action and exit.
   if (parsed_command_line().HasSwitch(switches::kPackExtension)) {
     ExtensionsStartupUtil extension_startup_util;
@@ skipping 132 matching lines @@
   if (parsed_command_line().HasSwitch(switches::kImport) ||
       parsed_command_line().HasSwitch(switches::kImportFromFile)) {
     return FirstRun::ImportNow(profile_, parsed_command_line());
   }
 #endif
 
 #if defined(OS_WIN)
   // Do the tasks if chrome has been upgraded while it was last running.
   if (!already_running && upgrade_util::DoUpgradeTasks(parsed_command_line()))
     return content::RESULT_CODE_NORMAL_EXIT;
-#endif
 
   // Check if there is any machine level Chrome installed on the current
   // machine. If yes and the current Chrome process is user level, we do not
   // allow the user level Chrome to run. So we notify the user and uninstall
   // user level Chrome.
   // Note this check should only happen here, after all the checks above
   // (uninstall, resource bundle initialization, other chrome browser
   // processes etc).
   // Do not allow this to occur for Chrome Frame user-to-system handoffs.
   if (!parsed_command_line().HasSwitch(switches::kChromeFrame) &&
-      CheckMachineLevelInstall()) {
+      ChromeBrowserMainPartsWin::CheckMachineLevelInstall()) {
     return chrome::RESULT_CODE_MACHINE_LEVEL_INSTALL_EXISTS;
   }
+#endif
 
   // Create the TranslateManager singleton.
   translate_manager_ = TranslateManager::GetInstance();
   DCHECK(translate_manager_ != NULL);
 
 #if defined(OS_MACOSX)
   if (!parsed_command_line().HasSwitch(switches::kNoFirstRun)) {
     // Disk image installation is sort of a first-run task, so it shares the
     // kNoFirstRun switch.
     if (MaybeInstallFromDiskImage()) {
@@ skipping 27 matching lines @@
       // the pref.
       if (GoogleUpdateSettings::GetCollectStatsConsent())
         local_state->SetBoolean(prefs::kMetricsReportingEnabled, true);
 #endif  // OS_POSIX
     }  // if (!first_run_ui_bypass)
 
     Browser::SetNewHomePagePrefs(user_prefs);
     g_browser_process->profile_manager()->OnImportFinished(profile_);
   }  // if (is_first_run)
 
+#if defined(OS_WIN)
   // Sets things up so that if we crash from this point on, a dialog will
   // popup asking the user to restart chrome. It is done this late to avoid
   // testing against a bunch of special cases that are taken care early on.
-  PrepareRestartOnCrashEnviroment(parsed_command_line());
+  ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
+      parsed_command_line());
 
-  // Start watching for hangs during startup. We disarm this hang detector when
-  // ThreadWatcher takes over or when browser is shutdown.
-  StartupTimeBomb::Arm(base::TimeDelta::FromSeconds(300));
-
-#if defined(OS_WIN)
   // Registers Chrome with the Windows Restart Manager, which will restore the
   // Chrome session when the computer is restarted after a system update.
   // This could be run as late as WM_QUERYENDSESSION for system update reboots,
   // but should run on startup if extended to handle crashes/hangs/patches.
   // Also, better to run once here than once for each HWND's WM_QUERYENDSESSION.
-  if (base::win::GetVersion() >= base::win::VERSION_VISTA)
-    RegisterApplicationRestart(parsed_command_line());
-#endif  // OS_WIN
+  if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
+    ChromeBrowserMainPartsWin::RegisterApplicationRestart(
+        parsed_command_line());
+  }
 
-#if defined(OS_WIN) && defined(GOOGLE_CHROME_BUILD)
+#if defined(GOOGLE_CHROME_BUILD)
   // Init the RLZ library. This just binds the dll and schedules a task on the
   // file thread to be run sometime later. If this is the first run we record
   // the installation event.
   bool google_search_default = false;
   TemplateURLService* template_url_service =
       TemplateURLServiceFactory::GetForProfile(profile_);
   if (template_url_service) {
     const TemplateURL* url_template =
         template_url_service->GetDefaultSearchProvider();
     if (url_template) {
@@ skipping 12 matching lines @@
         homepage == GoogleURLTracker::kDefaultGoogleHomepage;
   }
 
   RLZTracker::InitRlzDelayed(is_first_run, master_prefs_->ping_delay,
                              google_search_default, google_search_homepage);
 
   // Prime the RLZ cache for the home page access point so that its avaiable
   // for the startup page if needed (i.e., when the startup page is set to
   // the home page).
   RLZTracker::GetAccessPointRlz(rlz_lib::CHROME_HOME_PAGE, NULL);
-#endif  // GOOGLE_CHROME_BUILD && OS_WIN
+#endif  // GOOGLE_CHROME_BUILD
+#endif  // OS_WIN
+
+  // Start watching for hangs during startup. We disarm this hang detector when
+  // ThreadWatcher takes over or when browser is shutdown.
+  StartupTimeBomb::Arm(base::TimeDelta::FromSeconds(300));
 
   // Configure modules that need access to resources.
   net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
 
   // In unittest mode, this will do nothing.  In normal mode, this will create
   // the global GoogleURLTracker and IntranetRedirectDetector instances, which
   // will promptly go to sleep for five and seven seconds, respectively (to
   // avoid slowing startup), and wake up afterwards to see if they should do
   // anything else.
   //
@@ skipping 184 matching lines @@
       }
 #endif
 
       run_message_loop_ = true;
     }
   }
 
   return result_code;
 }
 
-void ChromeBrowserMainParts::MainMessageLoopRun() {
+bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) {
+  // Set the result code set in PreMainMessageLoopRun.
+  *result_code = result_code_;
+
   if (!run_message_loop_)
-    return;
+    return true;  // Don't run the default message loop.
 
   // This should be invoked as close to the start of the browser's
   // UI thread message loop as possible to get a stable measurement
   // across versions.
   RecordBrowserStartupTime();
 
 #if defined(USE_AURA)
   aura::Desktop::GetInstance()->Run();
 #elif defined(TOOLKIT_VIEWS)
   views::AcceleratorHandler accelerator_handler;
   MessageLoopForUI::current()->RunWithDispatcher(&accelerator_handler);
 #elif defined(USE_X11)
   MessageLoopForUI::current()->RunWithDispatcher(NULL);
 #elif defined(OS_POSIX)
   MessageLoopForUI::current()->Run();
 #endif
 #if defined(OS_CHROMEOS)
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded",
                                                         true);
 #endif
+
+  return true;
 }
 
 void ChromeBrowserMainParts::PostMainMessageLoopRun() {
   // Start watching for jank during shutdown. It gets disarmed when
   // |shutdown_watcher_| object is destructed.
   shutdown_watcher_->Arm(base::TimeDelta::FromSeconds(90));
 
   // Disarm the startup hang detector time bomb if it is still Arm'ed.
   StartupTimeBomb::Disarm();
 
@@ skipping 124 matching lines @@
   if (env->GetVar(chrome::kPreReadEnvironmentVariable, &pre_read) &&
       (pre_read == "0" || pre_read == "1")) {
     std::string uma_name(name);
     uma_name += "_PreRead";
     uma_name += pre_read == "1" ? "Enabled" : "Disabled";
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }