Revert of Switch chrome_elf exception handling from breakpad to crashpad.

chrome/app/chrome_exe_main_win.cc

 // Copyright (c) 2011 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 <windows.h>
 #include <malloc.h>
 #include <shellscalingapi.h>
 #include <stddef.h>
 #include <tchar.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
 #include "base/win/registry.h"
 #include "base/win/windows_version.h"
+#include "chrome/app/chrome_crash_reporter_client_win.h"
 #include "chrome/app/main_dll_loader_win.h"
 #include "chrome/browser/chrome_process_finder_win.h"
 #include "chrome/browser/policy/policy_path_parser.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome_elf/chrome_elf_main.h"
+#include "components/crash/content/app/crash_reporter_client.h"
 #include "components/crash/content/app/crash_switches.h"
 #include "components/crash/content/app/crashpad.h"
 #include "components/crash/content/app/run_as_crashpad_handler_win.h"
 #include "components/startup_metric_utils/browser/startup_metric_utils.h"
 #include "components/startup_metric_utils/common/pre_read_field_trial_utils_win.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
 
 namespace {
 
+base::LazyInstance<ChromeCrashReporterClient>::Leaky g_chrome_crash_client =
+    LAZY_INSTANCE_INITIALIZER;
+
+base::LazyInstance<std::vector<crash_reporter::Report>>::Leaky g_crash_reports =
+    LAZY_INSTANCE_INITIALIZER;
+
 // List of switches that it's safe to rendezvous early with. Fast start should
 // not be done if a command line contains a switch not in this set.
 // Note this is currently stored as a list of two because it's probably faster
 // to iterate over this small array than building a map for constant time
 // lookups.
 const char* const kFastStartSwitches[] = {
   switches::kProfileDirectory,
   switches::kShowAppList,
 };
 
@@ skipping 128 matching lines @@
 
       // Return if we changed anything so that we can restart.
       return tokens.size() != initial_size && result == ERROR_SUCCESS;
     }
   }
   return false;
 }
 
 }  // namespace
 
+// This helper is looked up in the browser to retrieve the crash reports. See
+// CrashUploadListCrashpad. Note that we do not pass an std::vector here,
+// because we do not want to allocate/free in different modules. The returned
+// pointer is read-only.
+extern "C" __declspec(dllexport) void GetCrashReportsImpl(
+    const crash_reporter::Report** reports,
+    size_t* report_count) {
+  crash_reporter::GetReports(g_crash_reports.Pointer());
+  *reports = g_crash_reports.Pointer()->data();
+  *report_count = g_crash_reports.Pointer()->size();
+}
+
 #if !defined(WIN_CONSOLE_APP)
 int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE prev, wchar_t*, int) {
 #else
 int main() {
   HINSTANCE instance = GetModuleHandle(nullptr);
 #endif
   // Initialize the CommandLine singleton from the environment.
   base::CommandLine::Init(0, nullptr);
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
 
   const std::string process_type =
       command_line->GetSwitchValueASCII(switches::kProcessType);
 
   startup_metric_utils::InitializePreReadOptions(
       BrowserDistribution::GetDistribution()->GetRegistryPath());
 
   // Confirm that an explicit prefetch profile is used for all process types
   // except for the browser process. Any new process type will have to assign
   // itself a prefetch id. See kPrefetchArgument* constants in
   // content_switches.cc for details.
   DCHECK(process_type.empty() ||
          HasValidWindowsPrefetchArgument(*command_line));
 
   if (process_type == crash_reporter::switches::kCrashpadHandler) {
     return crash_reporter::RunAsCrashpadHandler(
         *base::CommandLine::ForCurrentProcess());
   }
 
+  crash_reporter::SetCrashReporterClient(g_chrome_crash_client.Pointer());
+  crash_reporter::InitializeCrashpadWithEmbeddedHandler(process_type.empty(),
+                                                        process_type);
+
   startup_metric_utils::RecordExeMainEntryPointTime(base::Time::Now());
 
   // Signal Chrome Elf that Chrome has begun to start.
   SignalChromeElf();
 
   // The exit manager is in charge of calling the dtors of singletons.
   base::AtExitManager exit_manager;
 
   EnableHighDPISupport();
 
   if (AttemptFastNotify(*command_line))
     return 0;
 
   RemoveAppCompatFlagsEntry();
 
   // Load and launch the chrome dll. *Everything* happens inside.
   VLOG(1) << "About to load main DLL.";
   MainDllLoader* loader = MakeMainDllLoader();
   int rc = loader->Launch(instance);
   loader->RelaunchChromeBrowserWithNewCommandLineIfNeeded();
   delete loader;
   return rc;
 }