Give v8 a chance to handle signals

chrome/app/chrome_main_delegate.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 <stddef.h>
 #include <string>
 
 #include "base/base_paths.h"
@@ skipping 120 matching lines @@
 #endif
 
 #if defined(USE_X11)
 #include <stdlib.h>
 #include <string.h>
 #include "ui/base/x/x11_util.h"  // nogncheck
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include "components/crash/content/app/breakpad_linux.h"
+#include "v8/include/v8.h"
 #endif
 
 #if defined(OS_LINUX)
 #include "base/environment.h"
 #endif
 
 #if defined(OS_MACOSX) || defined(OS_WIN)
 #include "chrome/browser/policy/policy_path_parser.h"
 #include "components/crash/content/app/crashpad.h"
 #endif
@@ skipping 412 matching lines @@
   ChildProfiling::ProcessStarted();
 #endif
   Profiling::ProcessStarted();
 
   base::trace_event::TraceLog::GetInstance()->SetArgumentFilterPredicate(
       base::Bind(&IsTraceEventArgsWhitelisted));
 
 #if defined(OS_WIN) && !defined(CHROME_MULTIPLE_DLL_BROWSER)
   v8_breakpad_support::SetUp();
 #endif
+#if defined(OS_LINUX) && !defined(OS_ANDROID)
+  breakpad::SetFirstChanceExceptionHandler(v8::V8::TryHandleSignal);
+#endif
 
 #if defined(OS_POSIX)
   if (HandleVersionSwitches(command_line)) {
     *exit_code = 0;
     return true;  // Got a --version switch; exit with a success error code.
   }
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
   // This will directly exit if the user asked for help.
   HandleHelpSwitches(command_line);
 #endif
@@ skipping 639 matching lines @@
 
 std::unique_ptr<service_manager::Service>
 ChromeMainDelegate::CreateEmbeddedService(const std::string& service_name) {
 #if BUILDFLAG(ENABLE_PACKAGE_MASH_SERVICES)
   auto mash_service = CreateEmbeddedMashService(service_name);
   if (mash_service)
     return mash_service;
 #endif  // BUILDFLAG(ENABLE_PACKAGE_MASH_SERVICES)
   return nullptr;
 }