Remove use of v8:Lockers

fpdfsdk/jsapi/fxjs_v8_embeddertest.cpp

 // Copyright 2015 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.
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/js_embedder_test.h"
 
 namespace {
 
 const double kExpected0 = 6.0;
@@ skipping 18 matching lines @@
     v8::Local<v8::Value> fred = FXJS_GetObjectElement(isolate(), This, L"fred");
     EXPECT_TRUE(fred->IsNumber());
     EXPECT_EQ(expected, fred->ToNumber(isolate()->GetCurrentContext())
                             .ToLocalChecked()
                             ->Value());
   }
 };
 
 TEST_F(FXJSV8EmbedderTest, Getters) {
   v8::Isolate::Scope isolate_scope(isolate());
-#ifdef PDF_ENABLE_XFA
-  v8::Locker locker(isolate());
-#endif  // PDF_ENABLE_XFA
   v8::HandleScope handle_scope(isolate());
   v8::Context::Scope context_scope(GetV8Context());
 
   ExecuteInCurrentContext(kScript1);
   CheckAssignmentInCurrentContext(kExpected1);
 }
 
 TEST_F(FXJSV8EmbedderTest, MultipleRutimes) {
   v8::Isolate::Scope isolate_scope(isolate());
-#ifdef PDF_ENABLE_XFA
-  v8::Locker locker(isolate());
-#endif  // PDF_ENABLE_XFA
   v8::HandleScope handle_scope(isolate());
 
   v8::Global<v8::Context> global_context1;
   std::vector<v8::Global<v8::Object>*> static_objects1;
   FXJS_InitializeRuntime(isolate(), nullptr, &global_context1,
                          &static_objects1);
 
   v8::Global<v8::Context> global_context2;
   std::vector<v8::Global<v8::Object>*> static_objects2;
   FXJS_InitializeRuntime(isolate(), nullptr, &global_context2,
@@ skipping 16 matching lines @@
     v8::Local<v8::Context> context2 =
         v8::Local<v8::Context>::New(isolate(), global_context2);
     v8::Context::Scope context_scope(context2);
     ExecuteInCurrentContext(kScript2);
     CheckAssignmentInCurrentContext(kExpected2);
   }
   FXJS_ReleaseRuntime(isolate(), &global_context2, &static_objects2);
 
   CheckAssignmentInCurrentContext(kExpected0);
 }