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diff --git a/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h
deleted file mode 100644
index df80bf7ef..000000000
--- a/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h
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@@ -1,116 +0,0 @@
-// Copyright (c) 2014 Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// dump_context.h: A (mini/micro) dump CPU-specific context.
-
-#ifndef GOOGLE_BREAKPAD_PROCESSOR_DUMP_CONTEXT_H__
-#define GOOGLE_BREAKPAD_PROCESSOR_DUMP_CONTEXT_H__
-
-#include "google_breakpad/common/minidump_format.h"
-#include "google_breakpad/processor/dump_object.h"
-
-namespace google_breakpad {
-
-// DumpContext carries a CPU-specific MDRawContext structure, which contains CPU
-// context such as register states.
-class DumpContext : public DumpObject {
- public:
-  virtual ~DumpContext();
-
-  // Returns an MD_CONTEXT_* value such as MD_CONTEXT_X86 or MD_CONTEXT_PPC
-  // identifying the CPU type that the context was collected from.  The
-  // returned value will identify the CPU only, and will have any other
-  // MD_CONTEXT_* bits masked out.  Returns 0 on failure.
-  uint32_t GetContextCPU() const;
-
-  // Return the raw value of |context_flags_|
-  uint32_t GetContextFlags() const;
-
-  // Returns raw CPU-specific context data for the named CPU type.  If the
-  // context data does not match the CPU type or does not exist, returns NULL.
-  const MDRawContextAMD64* GetContextAMD64() const;
-  const MDRawContextARM*   GetContextARM() const;
-  const MDRawContextARM64* GetContextARM64() const;
-  const MDRawContextMIPS*  GetContextMIPS() const;
-  const MDRawContextPPC*   GetContextPPC() const;
-  const MDRawContextPPC64* GetContextPPC64() const;
-  const MDRawContextSPARC* GetContextSPARC() const;
-  const MDRawContextX86*   GetContextX86() const;
-
-  // A convenience method to get the instruction pointer out of the
-  // MDRawContext, since it varies per-CPU architecture.
-  bool GetInstructionPointer(uint64_t* ip) const;
-
-  // Similar to the GetInstructionPointer method, this method gets the stack
-  // pointer for all CPU architectures.
-  bool GetStackPointer(uint64_t* sp) const;
-
-  // Print a human-readable representation of the object to stdout.
-  void Print();
-
- protected:
-  DumpContext();
-
-  // Sets row CPU-specific context data for the names CPU type.
-  void SetContextFlags(uint32_t context_flags);
-  void SetContextX86(MDRawContextX86* x86);
-  void SetContextPPC(MDRawContextPPC* ppc);
-  void SetContextPPC64(MDRawContextPPC64* ppc64);
-  void SetContextAMD64(MDRawContextAMD64* amd64);
-  void SetContextSPARC(MDRawContextSPARC* ctx_sparc);
-  void SetContextARM(MDRawContextARM* arm);
-  void SetContextARM64(MDRawContextARM64* arm64);
-  void SetContextMIPS(MDRawContextMIPS* ctx_mips);
-
-  // Free the CPU-specific context structure.
-  void FreeContext();
-
- private:
-  // The CPU-specific context structure.
-  union {
-    MDRawContextBase*  base;
-    MDRawContextX86*   x86;
-    MDRawContextPPC*   ppc;
-    MDRawContextPPC64* ppc64;
-    MDRawContextAMD64* amd64;
-    // on Solaris SPARC, sparc is defined as a numeric constant,
-    // so variables can NOT be named as sparc
-    MDRawContextSPARC* ctx_sparc;
-    MDRawContextARM*   arm;
-    MDRawContextARM64* arm64;
-    MDRawContextMIPS*  ctx_mips;
-  } context_;
-
-  // Store this separately because of the weirdo AMD64 context
-  uint32_t context_flags_;
-};
-
-}  // namespace google_breakpad
-
-#endif  // GOOGLE_BREAKPAD_PROCESSOR_DUMP_CONTEXT_H__