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diff --git a/browser/components/translation/cld2/internal/utf8statetable.h b/browser/components/translation/cld2/internal/utf8statetable.h
deleted file mode 100644
index 55c00f45e..000000000
--- a/browser/components/translation/cld2/internal/utf8statetable.h
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@@ -1,283 +0,0 @@
-// Copyright 2013 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//
-// State Table follower for scanning UTF-8 strings without converting to
-// 32- or 16-bit Unicode values.
-//
-// Author: dsites@google.com (Dick Sites)
-//
-
-#ifndef UTIL_UTF8_UTF8STATETABLE_H_
-#define UTIL_UTF8_UTF8STATETABLE_H_
-
-#include <string>
-#include "integral_types.h" // for uint8, uint32, uint16
-#include "stringpiece.h"
-
-
-namespace CLD2 {
-
-class OffsetMap;
-
-
-// These four-byte entries compactly encode how many bytes 0..255 to delete
-// in making a string replacement, how many bytes to add 0..255, and the offset
-// 0..64k-1 of the replacement string in remap_string.
-struct RemapEntry {
- uint8 delete_bytes;
- uint8 add_bytes;
- uint16 bytes_offset;
-};
-
-// Exit type codes for state tables. All but the first get stuffed into
-// signed one-byte entries. The first is only generated by executable code.
-// To distinguish from next-state entries, these must be contiguous and
-// all <= kExitNone
-typedef enum {
- kExitDstSpaceFull = 239,
- kExitIllegalStructure, // 240
- kExitOK, // 241
- kExitReject, // ...
- kExitReplace1,
- kExitReplace2,
- kExitReplace3,
- kExitReplace21,
- kExitReplace31,
- kExitReplace32,
- kExitReplaceOffset1,
- kExitReplaceOffset2,
- kExitReplace1S0,
- kExitSpecial,
- kExitDoAgain,
- kExitRejectAlt,
- kExitNone // 255
-} ExitReason;
-
-typedef enum {
- kExitDstSpaceFull_2 = 32767, // 0x7fff
- kExitIllegalStructure_2, // 32768 0x8000
- kExitOK_2, // 32769 0x8001
- kExitReject_2, // ...
- kExitReplace1_2,
- kExitReplace2_2,
- kExitReplace3_2,
- kExitReplace21_2,
- kExitReplace31_2,
- kExitReplace32_2,
- kExitReplaceOffset1_2,
- kExitReplaceOffset2_2,
- kExitReplace1S0_2,
- kExitSpecial_2,
- kExitDoAgain_2,
- kExitRejectAlt_2,
- kExitNone_2 // 32783 0x800f
-} ExitReason_2;
-
-
-// This struct represents one entire state table. The three initialized byte
-// areas are state_table, remap_base, and remap_string. state0 and state0_size
-// give the byte offset and length within state_table of the initial state --
-// table lookups are expected to start and end in this state, but for
-// truncated UTF-8 strings, may end in a different state. These allow a quick
-// test for that condition. entry_shift is 8 for tables subscripted by a full
-// byte value and 6 for space-optimized tables subscripted by only six
-// significant bits in UTF-8 continuation bytes.
-typedef struct {
- const uint32 state0;
- const uint32 state0_size;
- const uint32 total_size;
- const int max_expand;
- const int entry_shift;
- const int bytes_per_entry;
- const uint32 losub;
- const uint32 hiadd;
- const uint8* state_table;
- const RemapEntry* remap_base;
- const uint8* remap_string;
- const uint8* fast_state;
-} UTF8StateMachineObj;
-
-// Near-duplicate declaration for tables with two-byte entries
-typedef struct {
- const uint32 state0;
- const uint32 state0_size;
- const uint32 total_size;
- const int max_expand;
- const int entry_shift;
- const int bytes_per_entry;
- const uint32 losub;
- const uint32 hiadd;
- const unsigned short* state_table;
- const RemapEntry* remap_base;
- const uint8* remap_string;
- const uint8* fast_state;
-} UTF8StateMachineObj_2;
-
-
-typedef UTF8StateMachineObj UTF8PropObj;
-typedef UTF8StateMachineObj UTF8ScanObj;
-typedef UTF8StateMachineObj UTF8ReplaceObj;
-typedef UTF8StateMachineObj_2 UTF8PropObj_2;
-typedef UTF8StateMachineObj_2 UTF8ReplaceObj_2;
-// NOT IMPLEMENTED typedef UTF8StateMachineObj_2 UTF8ScanObj_2;
-
-
-// Look up property of one UTF-8 character and advance over it
-// Return 0 if input length is zero
-// Return 0 and advance one byte if input is ill-formed
-uint8 UTF8GenericProperty(const UTF8PropObj* st,
- const uint8** src,
- int* srclen);
-
-// Look up property of one UTF-8 character (assumed to be valid).
-// (This is a faster version of UTF8GenericProperty.)
-bool UTF8HasGenericProperty(const UTF8PropObj& st, const char* src);
-
-
-// BigOneByte versions are needed for tables > 240 states, but most
-// won't need the TwoByte versions.
-
-// Look up property of one UTF-8 character and advance over it
-// Return 0 if input length is zero
-// Return 0 and advance one byte if input is ill-formed
-uint8 UTF8GenericPropertyBigOneByte(const UTF8PropObj* st,
- const uint8** src,
- int* srclen);
-
-
-// TwoByte versions are needed for tables > 240 states that don't fit onto
-// BigOneByte -- rare ultimate fallback
-
-// Look up property of one UTF-8 character (assumed to be valid).
-// (This is a faster version of UTF8GenericProperty.)
-bool UTF8HasGenericPropertyBigOneByte(const UTF8PropObj& st, const char* src);
-
-// Look up property of one UTF-8 character and advance over it
-// Return 0 if input length is zero
-// Return 0 and advance one byte if input is ill-formed
-uint8 UTF8GenericPropertyTwoByte(const UTF8PropObj_2* st,
- const uint8** src,
- int* srclen);
-
-// Look up property of one UTF-8 character (assumed to be valid).
-// (This is a faster version of UTF8GenericProperty.)
-bool UTF8HasGenericPropertyTwoByte(const UTF8PropObj_2& st, const char* src);
-
-// Scan a UTF-8 stringpiece based on a state table.
-// Always scan complete UTF-8 characters
-// Set number of bytes scanned. Return reason for exiting
-int UTF8GenericScan(const UTF8ScanObj* st,
- const StringPiece& str,
- int* bytes_consumed);
-
-
-
-// Scan a UTF-8 stringpiece based on state table, copying to output stringpiece
-// and doing text replacements.
-// Always scan complete UTF-8 characters
-// Set number of bytes consumed from input, number filled to output.
-// Return reason for exiting
-// Also writes an optional OffsetMap. Pass NULL to skip writing one.
-int UTF8GenericReplace(const UTF8ReplaceObj* st,
- const StringPiece& istr,
- StringPiece& ostr,
- bool is_plain_text,
- int* bytes_consumed,
- int* bytes_filled,
- int* chars_changed,
- OffsetMap* offsetmap);
-
-// Older version without offsetmap
-int UTF8GenericReplace(const UTF8ReplaceObj* st,
- const StringPiece& istr,
- StringPiece& ostr,
- bool is_plain_text,
- int* bytes_consumed,
- int* bytes_filled,
- int* chars_changed);
-
-// Older version without is_plain_text or offsetmap
-int UTF8GenericReplace(const UTF8ReplaceObj* st,
- const StringPiece& istr,
- StringPiece& ostr,
- int* bytes_consumed,
- int* bytes_filled,
- int* chars_changed);
-
-
-// TwoByte version is needed for tables > about 256 states, such
-// as the table for full Unicode 4.1 canonical + compatibility mapping
-
-// Scan a UTF-8 stringpiece based on state table with two-byte entries,
-// copying to output stringpiece
-// and doing text replacements.
-// Always scan complete UTF-8 characters
-// Set number of bytes consumed from input, number filled to output.
-// Return reason for exiting
-// Also writes an optional OffsetMap. Pass NULL to skip writing one.
-int UTF8GenericReplaceTwoByte(const UTF8ReplaceObj_2* st,
- const StringPiece& istr,
- StringPiece& ostr,
- bool is_plain_text,
- int* bytes_consumed,
- int* bytes_filled,
- int* chars_changed,
- OffsetMap* offsetmap);
-
-// Older version without offsetmap
-int UTF8GenericReplaceTwoByte(const UTF8ReplaceObj_2* st,
- const StringPiece& istr,
- StringPiece& ostr,
- bool is_plain_text,
- int* bytes_consumed,
- int* bytes_filled,
- int* chars_changed);
-
-// Older version without is_plain_text or offsetmap
-int UTF8GenericReplaceTwoByte(const UTF8ReplaceObj_2* st,
- const StringPiece& istr,
- StringPiece& ostr,
- int* bytes_consumed,
- int* bytes_filled,
- int* chars_changed);
-
-
-static const unsigned char kUTF8LenTbl[256] = {
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
-
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
- 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4
-};
-
-inline int UTF8OneCharLen(const char* in) {
- return kUTF8LenTbl[*reinterpret_cast<const uint8*>(in)];
-}
-
-// Adjust a stringpiece to encompass complete UTF-8 characters.
-// The data pointer will be increased by 0..3 bytes to get to a character
-// boundary, and the length will then be decreased by 0..3 bytes
-// to encompass the last complete character.
-// This is useful especially when a UTF-8 string must be put into a fixed-
-// maximum-size buffer cleanly, such as a MySQL buffer.
-void UTF8TrimToChars(StringPiece* istr);
-
-} // End namespace CLD2
-
-#endif // UTIL_UTF8_UTF8STATETABLE_H_
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