Switch chrome_elf exception handling from breakpad to crashpad.

chrome/browser/crash_upload_list/crash_upload_list_crashpad.cc

 // Copyright 2015 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/browser/crash_upload_list/crash_upload_list_crashpad.h"
 
 #include <stddef.h>
 
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
-#include "chrome/common/chrome_constants.h"
 #include "components/crash/content/app/crashpad.h"
 
 namespace {
 
 #if defined(OS_WIN)
 typedef void (*GetCrashReportsPointer)(
     const crash_reporter::Report** reports,
     size_t* report_count);
 
 void GetReportsThunk(
     std::vector<crash_reporter::Report>* reports) {
   static GetCrashReportsPointer get_crash_reports = []() {
-    HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
+    // The crash reporting is handled by chrome_elf.dll which loads early in
+    // the chrome process.
+    HMODULE elf_module = GetModuleHandle(L"chrome_elf.dll");

[scottmg, 2016/06/27 20:42:48]

Since there's a bunch of places we need this string now, please add
kChromeElfDllName to chrome_constants.h.

[ananta, 2016/06/27 22:52:23]

Done.

     return reinterpret_cast<GetCrashReportsPointer>(
-        exe_module ? GetProcAddress(exe_module, "GetCrashReportsImpl")
+        elf_module ? GetProcAddress(elf_module, "GetCrashReportsImpl")
                    : nullptr);
   }();
 
   if (get_crash_reports) {
     const crash_reporter::Report* reports_pointer;
     size_t report_count;
     get_crash_reports(&reports_pointer, &report_count);
     *reports = std::vector<crash_reporter::Report>(
         reports_pointer, reports_pointer + report_count);
   }
@@ skipping 39 matching lines @@
   crash_reporter::GetReports(&reports);
 #endif
 
   for (const crash_reporter::Report& report : reports) {
     uploads->push_back(
         UploadInfo(report.remote_id, base::Time::FromTimeT(report.upload_time),
                    report.local_id, base::Time::FromTimeT(report.capture_time),
                    ReportUploadStateToUploadInfoState(report.state)));
   }
 }