Fix unique ptrs in fpdfppo.cpp

fpdfsdk/fpdfppo_embeddertest.cpp

 // 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.
 
 #include "public/fpdf_ppo.h"
 
 #include "core/fxcrt/fx_basic.h"
 #include "public/fpdf_edit.h"
 #include "public/fpdfview.h"
 #include "testing/embedder_test.h"
@@ skipping 72 matching lines @@
   FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
   EXPECT_TRUE(output_doc);
   EXPECT_TRUE(FPDF_CopyViewerPreferences(output_doc, document()));
   EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1,1,1,1", 0));
   EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1-1", 0));
   EXPECT_EQ(5, FPDF_GetPageCount(output_doc));
   FPDF_CloseDocument(output_doc);
 
   UnloadPage(page);
 }
+
+TEST_F(FPDFPPOEmbeddertest, BUG_664284) {
+  EXPECT_TRUE(OpenDocument("bug_664284.pdf"));
+
+  FPDF_PAGE page = LoadPage(0);
+  EXPECT_TRUE(page);
+
+  FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
+  EXPECT_TRUE(output_doc);
+  EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1", 0));
+  FPDF_CloseDocument(output_doc);
+
+  UnloadPage(page);
+}