Change DumpProcessWithoutCrash to use load-time dynamic linking

chrome_elf/crash/crash_helper.cc

 // Copyright 2016 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_elf/crash/crash_helper.h"
 
 #include <assert.h>
 #include <windows.h>
 
 #include <algorithm>
@@ skipping 85 matching lines @@
 // information about why we intercept the SetUnhandledExceptionFilter API.
 void DisableSetUnhandledExceptionFilter() {
   if (!g_crash_helper_enabled)
     return;
   if (g_set_unhandled_exception_filter->Hook(
           ::GetModuleHandle(nullptr), "kernel32.dll",
           "SetUnhandledExceptionFilter",
           SetUnhandledExceptionFilterPatch) != NO_ERROR) {
 #ifdef _DEBUG
     assert(false);
-#endif  //_DEBUG
+#endif  // _DEBUG
   }
 }
 
 int GenerateCrashDump(EXCEPTION_POINTERS* exception_pointers) {
   if (g_crash_helper_enabled)
     crashpad::CrashpadClient::DumpWithoutCrash(
         *(exception_pointers->ContextRecord));
   return EXCEPTION_CONTINUE_SEARCH;
 }
 
+void DumpWithoutCrashing() {
+  crash_reporter::DumpWithoutCrashing();
+}
+
 }  // namespace elf_crash
 
 //------------------------------------------------------------------------------
 // Exported crash APIs for the rest of the process.
 //------------------------------------------------------------------------------
 
 // This helper is invoked by code in chrome.dll to retrieve the crash reports.
 // See CrashUploadListCrashpad. Note that we do not pass a std::vector here,
 // because we do not want to allocate/free in different modules. The returned
 // pointer is read-only.
@@ skipping 13 matching lines @@
 
 // This helper is invoked by debugging code in chrome to register the client
 // id.
 extern "C" __declspec(dllexport) void SetMetricsClientId(
     const char* client_id) {
   if (!g_crash_helper_enabled)
     return;
   if (client_id)
     crash_keys::SetMetricsClientIdFromGUID(client_id);
 }