Switch chrome_elf exception handling from breakpad to crashpad.

chrome/app/chrome_crash_reporter_client_win.h

 // 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.
 
 #ifndef CHROME_APP_CHROME_CRASH_REPORTER_CLIENT_WIN_H_
 #define CHROME_APP_CHROME_CRASH_REPORTER_CLIENT_WIN_H_
 
 #include "base/macros.h"
 #include "components/crash/content/app/crash_reporter_client.h"
 
 class ChromeCrashReporterClient : public crash_reporter::CrashReporterClient {
  public:
 #if !defined(NACL_WIN64)
   // Instantiates a process wide instance of the ChromeCrashReporterClient
   // class and initializes crash reporting for the process. The instance is
   // leaked.
   static void InitializeCrashReportingForProcess();
 #endif
 
   ChromeCrashReporterClient();
   ~ChromeCrashReporterClient() override;
 
+  // Registers crash keys for debugging purposes. Called from chrome_elf.
+  // TODO(ananta)
+  // Remove this when the change to not require crash key registration lands.
+  static void RegisterCrashKeysForDebugging();
+
   // crash_reporter::CrashReporterClient implementation.
   bool GetAlternativeCrashDumpLocation(base::string16* crash_dir) override;
   void GetProductNameAndVersion(const base::string16& exe_path,
                                 base::string16* product_name,
                                 base::string16* version,
                                 base::string16* special_build,
                                 base::string16* channel_name) override;
   bool ShouldShowRestartDialog(base::string16* title,
                                base::string16* message,
                                bool* is_rtl_locale) override;
@@ skipping 13 matching lines @@
 
   bool ReportingIsEnforcedByPolicy(bool* breakpad_enabled) override;
 
   bool EnableBreakpadForProcess(const std::string& process_type) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeCrashReporterClient);
 };
 
 #endif  // CHROME_APP_CHROME_CRASH_REPORTER_CLIENT_WIN_H_