Revert of Switch chrome_elf exception handling from breakpad to crashpad.

chrome/app/chrome_main.cc

 // Copyright (c) 2012 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/app/chrome_main_delegate.h"
 
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "content/public/app/content_main.h"
 
@@ skipping 44 matching lines @@
   base::win::SetShouldCrashOnProcessDetach(true);
   base::win::SetAbortBehaviorForCrashReporting();
   params.instance = instance;
   params.sandbox_info = sandbox_info;
 
   // SetDumpWithoutCrashingFunction must be passed the DumpProcess function
   // from the EXE and not from the DLL in order for DumpWithoutCrashing to
   // function correctly.
   typedef void (__cdecl *DumpProcessFunction)();
   DumpProcessFunction DumpProcess = reinterpret_cast<DumpProcessFunction>(
-      ::GetProcAddress(::GetModuleHandle(chrome::kChromeElfDllName),
+      ::GetProcAddress(::GetModuleHandle(chrome::kBrowserProcessExecutableName),
           "DumpProcessWithoutCrash"));
-  CHECK(DumpProcess);
   base::debug::SetDumpWithoutCrashingFunction(DumpProcess);
 #else
   params.argc = argc;
   params.argv = argv;
 #endif
 
 #if BUILDFLAG(ENABLE_PACKAGE_MASH_SERVICES)
 #if !defined(OS_WIN)
   base::CommandLine::Init(params.argc, params.argv);
 #endif
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   // TODO(sky): only do this for dev builds and if on canary channel.
   if (command_line.HasSwitch("mash"))
     return MashMain();
 #endif
 
   int rv = content::ContentMain(params);
 
 #if defined(OS_WIN)
   base::win::SetShouldCrashOnProcessDetach(false);
 #endif
 
   return rv;
 }