Revert "Make Crashpad start asynchronous, and move back to chrome_elf"

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index e1e2512423a569f65eec092b9d884e61dc3abc1d..3d1c7feeb19c4c455e8fede1d3e6166699218c3f 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -213,7 +213,6 @@
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/shell_util.h"
-#include "components/crash/content/app/crashpad.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 #endif  // defined(OS_WIN)
@@ -1406,18 +1405,6 @@ void ChromeBrowserMainParts::PostBrowserStart() {
 int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRunImpl");
 
-#if defined(OS_WIN)
-  HMODULE chrome_elf = GetModuleHandle(chrome::kChromeElfDllName);
-  if (chrome_elf) {
-    auto block_until_handler_started = reinterpret_cast<void (*)()>(
-        GetProcAddress(chrome_elf, "BlockUntilHandlerStartedImpl"));
-    if (block_until_handler_started) {
-      SCOPED_UMA_HISTOGRAM_TIMER("Startup.BlockForCrashpadHandlerStartupTime");
-      block_until_handler_started();
-    }
-  }
-#endif
-
   SCOPED_UMA_HISTOGRAM_LONG_TIMER("Startup.PreMainMessageLoopRunImplLongTime");
   const base::TimeTicks start_time_step1 = base::TimeTicks::Now();