Run FXJS_V8 embedder tests against a shared isolate.

testing/embedder_test.h

 // Copyright (c) 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.
 
 #ifndef TESTING_EMBEDDER_TEST_H_
 #define TESTING_EMBEDDER_TEST_H_
 
 #include <map>
 #include <string>
 
 #include "../public/fpdf_dataavail.h"
 #include "../public/fpdf_ext.h"
 #include "../public/fpdf_formfill.h"
 #include "../public/fpdfview.h"
+#include "../third_party/base/nonstd_unique_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "v8/include/v8.h"
 
 class TestLoader;
 
 // This class is used to load a PDF document, and then run programatic
 // API tests against it.
 class EmbedderTest : public ::testing::Test,
                      public UNSUPPORT_INFO,
                      public IPDF_JSPLATFORM,
@@ skipping 28 matching lines @@
    private:
     std::map<int, FPDF_PAGE> m_pageMap;
   };
 
   EmbedderTest();
   virtual ~EmbedderTest();
 
   void SetUp() override;
   void TearDown() override;
 
+  // Call before SetUp to pass shared isolate, otherwise PDFium creates one.
+  void SetExternalIsolate(v8::Isolate* isolate) { external_isolate_ = isolate; }
+
   void SetDelegate(Delegate* delegate) {
-    delegate_ = delegate ? delegate : default_delegate_;
+    delegate_ = delegate ? delegate : default_delegate_.get();
   }
 
   FPDF_DOCUMENT document() { return document_; }
   FPDF_FORMHANDLE form_handle() { return form_handle_; }
 
   // Open the document specified by |filename|, and create its form fill
   // environment, or return false on failure.
   virtual bool OpenDocument(const std::string& filename);
 
   // Perform JavaScript actions that are to run at document open time.
@@ skipping 12 matching lines @@
 
   // Convert a loaded page into a bitmap.
   virtual FPDF_BITMAP RenderPage(FPDF_PAGE page);
 
   // Relese the resources obtained from LoadPage(). Further use of |page|
   // is prohibited after this call is made.
   virtual void UnloadPage(FPDF_PAGE page);
 
  protected:
   Delegate* delegate_;
-  Delegate* default_delegate_;
+  nonstd::unique_ptr<Delegate> default_delegate_;
   FPDF_DOCUMENT document_;
   FPDF_FORMHANDLE form_handle_;
   FPDF_AVAIL avail_;
   FX_DOWNLOADHINTS hints_;
   FPDF_FILEACCESS file_access_;
   FX_FILEAVAIL file_avail_;
   v8::Platform* platform_;
   v8::StartupData natives_;
   v8::StartupData snapshot_;
+  v8::Isolate* external_isolate_;
   TestLoader* loader_;
   size_t file_length_;
   char* file_contents_;
 
  private:
   static void UnsupportedHandlerTrampoline(UNSUPPORT_INFO*, int type);
   static int AlertTrampoline(IPDF_JSPLATFORM* plaform,
                              FPDF_WIDESTRING message,
                              FPDF_WIDESTRING title,
                              int type,
                              int icon);
   static int SetTimerTrampoline(FPDF_FORMFILLINFO* info,
                                 int msecs,
                                 TimerCallback fn);
   static void KillTimerTrampoline(FPDF_FORMFILLINFO* info, int id);
   static FPDF_PAGE GetPageTrampoline(FPDF_FORMFILLINFO* info,
                                      FPDF_DOCUMENT document,
                                      int page_index);
 };
 
 #endif  // TESTING_EMBEDDER_TEST_H_