Untangle bad depdenency from fxjse/ to fpdfsdk/

testing/js_embedder_test.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/js_embedder_test.h"
 
+#include "fxjse/include/fxjs_perisolatedata.h"
+
 JSEmbedderTest::JSEmbedderTest()
     : m_pArrayBufferAllocator(new FXJS_ArrayBufferAllocator),
       m_pIsolate(nullptr) {}
 
 JSEmbedderTest::~JSEmbedderTest() {}
 
 void JSEmbedderTest::SetUp() {
   v8::Isolate::CreateParams params;
   params.array_buffer_allocator = m_pArrayBufferAllocator.get();
   m_pIsolate = v8::Isolate::New(params);
@@ skipping 17 matching lines @@
   m_pIsolate = nullptr;
 }
 
 v8::Isolate* JSEmbedderTest::isolate() {
   return m_pIsolate;
 }
 
 v8::Local<v8::Context> JSEmbedderTest::GetV8Context() {
   return m_pPersistentContext.Get(m_pIsolate);
 }