1 files changed, 0 insertions, 61 deletions
diff --git a/chromium/base/profiler/thread_delegate_mac.h b/chromium/base/profiler/thread_delegate_mac.h
deleted file mode 100644
index 1ff2497fe1e..00000000000
--- a/chromium/base/profiler/thread_delegate_mac.h
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2019 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 BASE_PROFILER_THREAD_DELEGATE_MAC_H_
-#define BASE_PROFILER_THREAD_DELEGATE_MAC_H_
-
-#include <mach/mach.h>
-
-#include "base/base_export.h"
-#include "base/profiler/native_unwinder_mac.h"
-#include "base/profiler/thread_delegate.h"
-#include "base/sampling_heap_profiler/module_cache.h"
-#include "base/threading/platform_thread.h"
-
-namespace base {
-
-// Platform- and thread-specific implementation in support of stack sampling on
-// Mac.
-class BASE_EXPORT ThreadDelegateMac : public ThreadDelegate {
- public:
-  class ScopedSuspendThread : public ThreadDelegate::ScopedSuspendThread {
-   public:
-    explicit ScopedSuspendThread(mach_port_t thread_port);
-    ~ScopedSuspendThread() override;
-
-    ScopedSuspendThread(const ScopedSuspendThread&) = delete;
-    ScopedSuspendThread& operator=(const ScopedSuspendThread&) = delete;
-
-    bool WasSuccessful() const override;
-
-   private:
-    mach_port_t thread_port_;
-  };
-
-  ThreadDelegateMac(mach_port_t thread_port);
-  ~ThreadDelegateMac() override;
-
-  ThreadDelegateMac(const ThreadDelegateMac&) = delete;
-  ThreadDelegateMac& operator=(const ThreadDelegateMac&) = delete;
-
-  // ThreadDelegate
-  std::unique_ptr<ThreadDelegate::ScopedSuspendThread>
-  CreateScopedSuspendThread() override;
-  bool GetThreadContext(x86_thread_state64_t* thread_context) override;
-  uintptr_t GetStackBaseAddress() const override;
-  bool CanCopyStack(uintptr_t stack_pointer) override;
-  std::vector<uintptr_t*> GetRegistersToRewrite(
-      x86_thread_state64_t* thread_context) override;
-
- private:
-  // Weak reference: Mach port for thread being profiled.
-  mach_port_t thread_port_;
-
-  // The stack base address corresponding to |thread_port_|.
-  const uintptr_t thread_stack_base_address_;
-};
-
-}  // namespace base
-
-#endif  // BASE_PROFILER_THREAD_DELEGATE_MAC_H_