Revert of Crashpad Windows: Use the Crashpad client instead of Breakpad on Windows

chrome/app/main_dll_loader_win.cc

Index: chrome/app/main_dll_loader_win.cc
diff --git a/chrome/app/main_dll_loader_win.cc b/chrome/app/main_dll_loader_win.cc
index 08ce84861ac55e95e16c2850eac4148299aa6fa1..ba14dba3bcc3cdb209ddf0a1ee79cb5f50530abe 100644
--- a/chrome/app/main_dll_loader_win.cc
+++ b/chrome/app/main_dll_loader_win.cc
@@ -21,7 +21,6 @@
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
-#include "base/win/metro.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/windows_version.h"
 #include "chrome/app/chrome_crash_reporter_client.h"
@@ -40,8 +39,8 @@
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/module_util_win.h"
 #include "chrome/installer/util/util_constants.h"
+#include "components/crash/content/app/breakpad_win.h"
 #include "components/crash/content/app/crash_reporter_client.h"
-#include "components/crash/content/app/crashpad.h"
 #include "content/public/app/sandbox_helper_win.h"
 #include "content/public/common/content_switches.h"
 #include "sandbox/win/src/sandbox.h"
@@ -51,6 +50,9 @@
 typedef int (*DLL_MAIN)(HINSTANCE, sandbox::SandboxInterfaceInfo*);
 
 typedef void (*RelaunchChromeBrowserWithNewCommandLineIfNeededFunc)();
+
+base::LazyInstance<ChromeCrashReporterClient>::Leaky g_chrome_crash_client =
+    LAZY_INSTANCE_INITIALIZER;
 
 // Loads |module| after setting the CWD to |module|'s directory. Returns a
 // reference to the loaded module on success, or null on error.
@@ -78,6 +80,11 @@
   GoogleUpdateSettings::UpdateDidRunState(false, system_level);
 }
 
+bool InMetroMode() {
+  return (wcsstr(
+      ::GetCommandLineW(), L" -ServerName:DefaultBrowserServer") != nullptr);
+}
+
 typedef int (*InitMetro)();
 
 }  // namespace
@@ -85,7 +92,7 @@
 //=============================================================================
 
 MainDllLoader::MainDllLoader()
-    : dll_(nullptr), metro_mode_(base::win::IsMetroProcess()) {
+    : dll_(nullptr), metro_mode_(InMetroMode()) {
 }
 
 MainDllLoader::~MainDllLoader() {
@@ -197,6 +204,18 @@
   sandbox::SandboxInterfaceInfo sandbox_info = {0};
   content::InitializeSandboxInfo(&sandbox_info);
 
+  crash_reporter::SetCrashReporterClient(g_chrome_crash_client.Pointer());
+  bool exit_now = true;
+  if (process_type_.empty()) {
+    if (breakpad::ShowRestartDialogIfCrashed(&exit_now)) {
+      // We restarted because of a previous crash. Ask user if we should
+      // Relaunch. Only for the browser process. See crbug.com/132119.
+      if (exit_now)
+        return content::RESULT_CODE_NORMAL_EXIT;
+    }
+  }
+  breakpad::InitCrashReporter(process_type_);
+
   dll_ = Load(&version, &file);
   if (!dll_)
     return chrome::RESULT_CODE_MISSING_DATA;
@@ -209,6 +228,12 @@
       reinterpret_cast<DLL_MAIN>(::GetProcAddress(dll_, "ChromeMain"));
   int rc = chrome_main(instance, &sandbox_info);
   rc = OnBeforeExit(rc, file);
+  // Sandboxed processes close some system DLL handles after lockdown so ignore
+  // EXCEPTION_INVALID_HANDLE generated on Windows 10 during shutdown of these
+  // processes.
+  // TODO(wfh): Check whether MS have fixed this in Win10 RTM. crbug.com/456193
+  if (base::win::GetVersion() >= base::win::VERSION_WIN10)
+    breakpad::ConsumeInvalidHandleExceptions();
   return rc;
 }
 
@@ -250,13 +275,7 @@
     RecordDidRun(dll_path);
 
     // Launch the watcher process if stats collection consent has been granted.
-#if defined(GOOGLE_CHROME_BUILD)
-    const bool stats_collection_consent =
-        GoogleUpdateSettings::GetCollectStatsConsent();
-#else
-    const bool stats_collection_consent = false;
-#endif
-    if (stats_collection_consent) {
+    if (g_chrome_crash_client.Get().GetCollectStatsConsent()) {
       base::FilePath exe_path;
       if (PathService::Get(base::FILE_EXE, &exe_path)) {
         chrome_watcher_client_.reset(new ChromeWatcherClient(