Remove all blimp engine code

blimp/engine/app/blimp_engine_crash_reporter_client.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 BLIMP_ENGINE_APP_BLIMP_ENGINE_CRASH_REPORTER_CLIENT_H_
-#define BLIMP_ENGINE_APP_BLIMP_ENGINE_CRASH_REPORTER_CLIENT_H_
-
-#include <stddef.h>
-
-#include <string>
-
-#include "base/macros.h"
-#include "components/crash/content/app/crash_reporter_client.h"
-
-namespace blimp {
-namespace engine {
-
-// Crash reporter client for the Blimp engine.  This will always collect crash
-// reports, and will always upload reports unless running in a "headless" test
-// mode.
-// This is intended to be built with a Linux OS target only.
-class BlimpEngineCrashReporterClient
-    : public crash_reporter::CrashReporterClient {
- public:
-  BlimpEngineCrashReporterClient();
-  ~BlimpEngineCrashReporterClient() override;
-
- private:
-  // CrashReporterClient implementation.
-  void SetCrashReporterClientIdFromGUID(
-      const std::string& client_guid) override;
-  void GetProductNameAndVersion(const char** product_name,
-                                const char** version) override;
-  size_t RegisterCrashKeys() override;
-  bool IsRunningUnattended() override;
-  bool GetCollectStatsConsent() override;
-  bool EnableBreakpadForProcess(const std::string& process_type) override;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpEngineCrashReporterClient);
-};
-
-}  // namespace engine
-}  // namespace blimp
-
-#endif  // BLIMP_ENGINE_APP_BLIMP_ENGINE_CRASH_REPORTER_CLIENT_H_