Rename fxjse/ to fxjs/ update files to match class names.

fxjs/cfxjse_isolatetracker.cpp

Index: fxjs/cfxjse_isolatetracker.cpp
diff --git a/fxjs/cfxjse_isolatetracker.cpp b/fxjs/cfxjse_isolatetracker.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9594df310915db8bcf19bb818a21ae0fc94e9e14
--- /dev/null
+++ b/fxjs/cfxjse_isolatetracker.cpp
@@ -0,0 +1,35 @@
+// 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>
+
+CFXJSE_IsolateTracker::CFXJSE_IsolateTracker() {}
+
+CFXJSE_IsolateTracker::~CFXJSE_IsolateTracker() {}
+
+void CFXJSE_IsolateTracker::Append(v8::Isolate* pIsolate) {
+  m_OwnedIsolates.push_back(pIsolate);
+}
+
+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);
+}
+
+void CFXJSE_IsolateTracker::RemoveAll(
+    CFXJSE_IsolateTracker::DisposeCallback lpfnDisposeCallback) {
+  for (v8::Isolate* pIsolate : m_OwnedIsolates)
+    lpfnDisposeCallback(pIsolate, true);
+
+  m_OwnedIsolates.clear();
+}