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diff --git a/chromium/tools/traceline/traceline/sidestep/mini_disassembler_types.h b/chromium/tools/traceline/traceline/sidestep/mini_disassembler_types.h
deleted file mode 100644
index cb9e0062456..00000000000
--- a/chromium/tools/traceline/traceline/sidestep/mini_disassembler_types.h
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@@ -1,197 +0,0 @@
-// Copyright (c) 2006-2008 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.
-//
-// Several simple types used by the disassembler and some of the patching
-// mechanisms.
-
-#ifndef TRACELINE_SIDESTEP_MINI_DISASSEMBLER_TYPES_H_
-#define TRACELINE_SIDESTEP_MINI_DISASSEMBLER_TYPES_H_
-
-namespace sidestep {
-
-// Categories of instructions that we care about
-enum InstructionType {
-  // This opcode is not used
-  IT_UNUSED,
-  // This disassembler does not recognize this opcode (error)
-  IT_UNKNOWN,
-  // This is not an instruction but a reference to another table
-  IT_REFERENCE,
-  // This byte is a prefix byte that we can ignore
-  IT_PREFIX,
-  // This is a prefix byte that switches to the nondefault address size
-  IT_PREFIX_ADDRESS,
-  // This is a prefix byte that switches to the nondefault operand size
-  IT_PREFIX_OPERAND,
-  // A jump or call instruction
-  IT_JUMP,
-  // A return instruction
-  IT_RETURN,
-  // Any other type of instruction (in this case we don't care what it is)
-  IT_GENERIC,
-};
-
-// Lists IA-32 operand sizes in multiples of 8 bits
-enum OperandSize {
-  OS_ZERO = 0,
-  OS_BYTE = 1,
-  OS_WORD = 2,
-  OS_DOUBLE_WORD = 4,
-  OS_QUAD_WORD = 8,
-  OS_DOUBLE_QUAD_WORD = 16,
-  OS_32_BIT_POINTER = 32/8,
-  OS_48_BIT_POINTER = 48/8,
-  OS_SINGLE_PRECISION_FLOATING = 32/8,
-  OS_DOUBLE_PRECISION_FLOATING = 64/8,
-  OS_DOUBLE_EXTENDED_PRECISION_FLOATING = 80/8,
-  OS_128_BIT_PACKED_SINGLE_PRECISION_FLOATING = 128/8,
-  OS_PSEUDO_DESCRIPTOR = 6
-};
-
-// Operand addressing methods from the IA-32 manual.  The enAmMask value
-// is a mask for the rest.  The other enumeration values are named for the
-// names given to the addressing methods in the manual, e.g. enAm_D is for
-// the D addressing method.
-//
-// The reason we use a full 4 bytes and a mask, is that we need to combine
-// these flags with the enOperandType to store the details
-// on the operand in a single integer.
-enum AddressingMethod {
-  AM_NOT_USED = 0,        // This operand is not used for this instruction
-  AM_MASK = 0x00FF0000,  // Mask for the rest of the values in this enumeration
-  AM_A = 0x00010000,    // A addressing type
-  AM_C = 0x00020000,    // C addressing type
-  AM_D = 0x00030000,    // D addressing type
-  AM_E = 0x00040000,    // E addressing type
-  AM_F = 0x00050000,    // F addressing type
-  AM_G = 0x00060000,    // G addressing type
-  AM_I = 0x00070000,    // I addressing type
-  AM_J = 0x00080000,    // J addressing type
-  AM_M = 0x00090000,    // M addressing type
-  AM_O = 0x000A0000,    // O addressing type
-  AM_P = 0x000B0000,    // P addressing type
-  AM_Q = 0x000C0000,    // Q addressing type
-  AM_R = 0x000D0000,    // R addressing type
-  AM_S = 0x000E0000,    // S addressing type
-  AM_T = 0x000F0000,    // T addressing type
-  AM_V = 0x00100000,    // V addressing type
-  AM_W = 0x00110000,    // W addressing type
-  AM_X = 0x00120000,    // X addressing type
-  AM_Y = 0x00130000,    // Y addressing type
-  AM_REGISTER = 0x00140000,  // Specific register is always used as this op
-  AM_IMPLICIT = 0x00150000,  // An implicit, fixed value is used
-};
-
-// Operand types from the IA-32 manual. The enOtMask value is
-// a mask for the rest. The rest of the values are named for the
-// names given to these operand types in the manual, e.g. enOt_ps
-// is for the ps operand type in the manual.
-//
-// The reason we use a full 4 bytes and a mask, is that we need
-// to combine these flags with the enAddressingMethod to store the details
-// on the operand in a single integer.
-enum OperandType {
-  OT_MASK = 0xFF000000,
-  OT_A = 0x01000000,
-  OT_B = 0x02000000,
-  OT_C = 0x03000000,
-  OT_D = 0x04000000,
-  OT_DQ = 0x05000000,
-  OT_P = 0x06000000,
-  OT_PI = 0x07000000,
-  OT_PS = 0x08000000,  // actually unsupported for (we don't know its size)
-  OT_Q = 0x09000000,
-  OT_S = 0x0A000000,
-  OT_SS = 0x0B000000,
-  OT_SI = 0x0C000000,
-  OT_V = 0x0D000000,
-  OT_W = 0x0E000000,
-  OT_SD = 0x0F000000,  // scalar double-precision floating-point value
-  OT_PD = 0x10000000,  // double-precision floating point
-  // dummy "operand type" for address mode M - which doesn't specify
-  // operand type
-  OT_ADDRESS_MODE_M = 0x80000000
-};
-
-// Everything that's in an Opcode (see below) except the three
-// alternative opcode structs for different prefixes.
-struct SpecificOpcode {
-  // Index to continuation table, or 0 if this is the last
-  // byte in the opcode.
-  int table_index_;
-
-  // The opcode type
-  InstructionType type_;
-
-  // Description of the type of the dest, src and aux operands,
-  // put together from an enOperandType flag and an enAddressingMethod
-  // flag.
-  int flag_dest_;
-  int flag_source_;
-  int flag_aux_;
-
-  // We indicate the mnemonic for debugging purposes
-  const char* mnemonic_;
-};
-
-// The information we keep in our tables about each of the different
-// valid instructions recognized by the IA-32 architecture.
-struct Opcode {
-  // Index to continuation table, or 0 if this is the last
-  // byte in the opcode.
-  int table_index_;
-
-  // The opcode type
-  InstructionType type_;
-
-  // Description of the type of the dest, src and aux operands,
-  // put together from an enOperandType flag and an enAddressingMethod
-  // flag.
-  int flag_dest_;
-  int flag_source_;
-  int flag_aux_;
-
-  // We indicate the mnemonic for debugging purposes
-  const char* mnemonic_;
-
-  // Alternative opcode info if certain prefixes are specified.
-  // In most cases, all of these are zeroed-out.  Only used if
-  // bPrefixDependent is true.
-  bool is_prefix_dependent_;
-  SpecificOpcode opcode_if_f2_prefix_;
-  SpecificOpcode opcode_if_f3_prefix_;
-  SpecificOpcode opcode_if_66_prefix_;
-};
-
-// Information about each table entry.
-struct OpcodeTable {
-  // Table of instruction entries
-  const Opcode* table_;
-  // How many bytes left to shift ModR/M byte <b>before</b> applying mask
-  unsigned char shift_;
-  // Mask to apply to byte being looked at before comparing to table
-  unsigned char mask_;
-  // Minimum/maximum indexes in table.
-  unsigned char min_lim_;
-  unsigned char max_lim_;
-};
-
-// Information about each entry in table used to decode ModR/M byte.
-struct ModrmEntry {
-  // Is the operand encoded as bytes in the instruction (rather than
-  // if it's e.g. a register in which case it's just encoded in the
-  // ModR/M byte)
-  bool is_encoded_in_instruction_;
-
-  // Is there a SIB byte?  In this case we always need to decode it.
-  bool use_sib_byte_;
-
-  // What is the size of the operand (only important if it's encoded
-  // in the instruction)?
-  OperandSize operand_size_;
-};
-
-};  // namespace sidestep
-
-#endif  // TRACELINE_SIDESTEP_MINI_DISASSEMBLER_TYPES_H_