Remove use of v8:Lockers

xfa/fxjse/scope_inline.h

 // Copyright 2014 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
 
 #ifndef XFA_FXJSE_SCOPE_INLINE_H_
 #define XFA_FXJSE_SCOPE_INLINE_H_
 
 #include "xfa/fxjse/context.h"
 #include "xfa/fxjse/runtime.h"
 
 class CFXJSE_ScopeUtil_IsolateHandle {
  public:
   explicit CFXJSE_ScopeUtil_IsolateHandle(v8::Isolate* pIsolate)
       : m_isolate(pIsolate),
-        m_locker(pIsolate),
         m_iscope(pIsolate),
         m_hscope(pIsolate) {}
   v8::Isolate* GetIsolate() { return m_isolate; }
 
  private:
   CFXJSE_ScopeUtil_IsolateHandle(const CFXJSE_ScopeUtil_IsolateHandle&) =
       delete;
   void operator=(const CFXJSE_ScopeUtil_IsolateHandle&) = delete;
   void* operator new(size_t size) = delete;
   void operator delete(void*, size_t) = delete;
 
   v8::Isolate* m_isolate;
-  v8::Locker m_locker;
   v8::Isolate::Scope m_iscope;
   v8::HandleScope m_hscope;
 };
 
 class CFXJSE_ScopeUtil_IsolateHandleRootContext {
  public:
   explicit CFXJSE_ScopeUtil_IsolateHandleRootContext(v8::Isolate* pIsolate)
       : m_parent(pIsolate),
         m_cscope(v8::Local<v8::Context>::New(
             pIsolate,
@@ skipping 29 matching lines @@
   void operator=(const CFXJSE_ScopeUtil_IsolateHandleContext&) = delete;
   void* operator new(size_t size) = delete;
   void operator delete(void*, size_t) = delete;
 
   CFXJSE_Context* m_context;
   CFXJSE_ScopeUtil_IsolateHandle m_parent;
   v8::Context::Scope m_cscope;
 };
 
 #endif  // XFA_FXJSE_SCOPE_INLINE_H_