Remove XFA isolate tracker

We don't add anything to the tracker lists so we can remove the tracker.
The only thing the Initialize and Finialize methods are doing now is to
trigger a v8::V8::Dispose which should happen automatically at exit
anyway.

Change-Id: I1f783ae5a1df3df63fb067ab30310791b6c44929
Reviewed-on: https://pdfium-review.googlesource.com/20192
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 42 deletions

diff --git a/fxjs/cfxjse_isolatetracker.cpp b/fxjs/cfxjse_isolatetracker.cpp
deleted file mode 100644
index 0dd4158714..0000000000
--- a/fxjs/cfxjse_isolatetracker.cpp
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright 2016 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "fxjs/cfxjse_isolatetracker.h"
-
-#include <algorithm>
-#include <utility>
-
-CFXJSE_IsolateTracker::CFXJSE_IsolateTracker() {}
-
-CFXJSE_IsolateTracker::~CFXJSE_IsolateTracker() {}
-
-void CFXJSE_IsolateTracker::Append(
-    v8::Isolate* pIsolate,
-    std::unique_ptr<v8::ArrayBuffer::Allocator> alloc) {
-  m_OwnedIsolates.push_back(pIsolate);
-  m_AllocatorMap[pIsolate] = std::move(alloc);
-}
-
-void CFXJSE_IsolateTracker::Remove(
-    v8::Isolate* pIsolate,
-    CFXJSE_IsolateTracker::DisposeCallback lpfnDisposeCallback) {
-  auto it = std::find(m_OwnedIsolates.begin(), m_OwnedIsolates.end(), pIsolate);
-  bool bFound = it != m_OwnedIsolates.end();
-  if (bFound)
-    m_OwnedIsolates.erase(it);
-  lpfnDisposeCallback(pIsolate, bFound);
-
-  m_AllocatorMap.erase(pIsolate);
-}
-
-void CFXJSE_IsolateTracker::RemoveAll(
-    CFXJSE_IsolateTracker::DisposeCallback lpfnDisposeCallback) {
-  for (v8::Isolate* pIsolate : m_OwnedIsolates)
-    lpfnDisposeCallback(pIsolate, true);
-
-  m_OwnedIsolates.clear();
-  m_AllocatorMap.clear();
-}