Remove the Kasko based out of process browser hang instrumentation.

chrome/chrome_watcher/chrome_watcher_main.cc

 // Copyright (c) 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 <windows.h>
 #include <sddl.h>
 
 #include <utility>
 
 #include "base/at_exit.h"
@@ skipping 17 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/win_util.h"
 
 #include "chrome/chrome_watcher/chrome_watcher_main_api.h"
-#include "chrome/chrome_watcher/kasko_util.h"
 #include "chrome/installer/util/util_constants.h"
 #include "components/browser_watcher/endsession_watcher_window_win.h"
 #include "components/browser_watcher/exit_code_watcher_win.h"
 #include "components/browser_watcher/window_hang_monitor_win.h"
-#include "third_party/kasko/kasko_features.h"
 
 namespace {
 
 // Use the same log facility as Chrome for convenience.
 // {7FE69228-633E-4f06-80C1-527FEA23E3A7}
 const GUID kChromeWatcherTraceProviderName = {
     0x7fe69228, 0x633e, 0x4f06,
         { 0x80, 0xc1, 0x52, 0x7f, 0xea, 0x23, 0xe3, 0xa7 } };
 
 // The amount of time we wait around for a WM_ENDSESSION or a process exit.
@@ skipping 120 matching lines @@
   } else {
     // The browser exited abnormally, wait around for a little bit to see
     // whether this instance will get a logoff message.
     main_thread_->PostDelayedTask(
         FROM_HERE,
         run_loop_->QuitClosure(),
         base::TimeDelta::FromSeconds(kDelayTimeSeconds));
   }
 }
 
-void OnWindowEvent(
-    base::Process process,
-    const base::Callback<void(const base::Process&)>& on_hung_callback,
-    browser_watcher::WindowHangMonitor::WindowEvent window_event) {
-  if (window_event == browser_watcher::WindowHangMonitor::WINDOW_HUNG &&
-      !on_hung_callback.is_null()) {
-    on_hung_callback.Run(process);
-  }
-}
-
 }  // namespace
 
 // The main entry point to the watcher, declared as extern "C" to avoid name
 // mangling.
 extern "C" int WatcherMain(const base::char16* registry_path,
                            HANDLE process_handle,
                            DWORD main_thread_id,
                            HANDLE on_initialized_event_handle,
                            const base::char16* browser_data_directory,
                            const base::char16* channel_name) {
   base::Process process(process_handle);
   base::win::ScopedHandle on_initialized_event(on_initialized_event_handle);
 
   // The exit manager is in charge of calling the dtors of singletons.
   base::AtExitManager exit_manager;
   // Initialize the commandline singleton from the environment.
   base::CommandLine::Init(0, nullptr);
 
   logging::LogEventProvider::Initialize(kChromeWatcherTraceProviderName);
 
   // Arrange to be shut down as late as possible, as we want to outlive
   // chrome.exe in order to report its exit status.
   ::SetProcessShutdownParameters(0x100, SHUTDOWN_NORETRY);
 
-  base::Callback<void(const base::Process&)> on_hung_callback;
-
-#if BUILDFLAG(ENABLE_KASKO)
-  bool launched_kasko = InitializeKaskoReporter(GetKaskoEndpoint(process.Pid()),
-                                                browser_data_directory);
-
-#if BUILDFLAG(ENABLE_KASKO_HANG_REPORTS)
-  // Only activate hang reports for the canary channel.
-  if (launched_kasko &&
-      base::StringPiece16(channel_name) == installer::kChromeChannelCanary) {
-    on_hung_callback = base::Bind(&DumpHungProcess, main_thread_id,
-                                  channel_name, L"hung-process");
-  }
-#endif  // BUILDFLAG(ENABLE_KASKO_HANG_REPORTS)
-#endif  // BUILDFLAG(ENABLE_KASKO)
-
   // Run a UI message loop on the main thread.
   base::PlatformThread::SetName("WatcherMainThread");
   base::MessageLoop msg_loop(base::MessageLoop::TYPE_UI);
 
   base::RunLoop run_loop;
   BrowserMonitor monitor(registry_path, &run_loop);
   if (!monitor.StartWatching(process.Duplicate(),
                              std::move(on_initialized_event))) {
     return 1;
   }
-
-  {
-    // Scoped to force |hang_monitor| destruction before Kasko is shut down.
-    browser_watcher::WindowHangMonitor hang_monitor(
-        base::TimeDelta::FromSeconds(60), base::TimeDelta::FromSeconds(20),
-        base::Bind(&OnWindowEvent, base::Passed(process.Duplicate()),
-                   on_hung_callback));
-    hang_monitor.Initialize(process.Duplicate());
-
-    run_loop.Run();
-  }
-
-#if BUILDFLAG(ENABLE_KASKO)
-  if (launched_kasko)
-    ShutdownKaskoReporter();
-#endif  // BUILDFLAG(ENABLE_KASKO)
+  run_loop.Run();
+  // TODO(manzagop): hang monitoring using WindowHangMonitor.
 
   // Wind logging down.
   logging::LogEventProvider::Uninitialize();
 
   return 0;
 }
 
 static_assert(
     std::is_same<decltype(&WatcherMain), ChromeWatcherMainFunction>::value,
     "WatcherMain() has wrong type");