Fix leaks in the embedder tests themselves.

samples/pdfium_test.cc

 // Copyright (c) 2010 The Chromium 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 <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <list>
@@ skipping 532 matching lines @@
 
     FPDFBitmap_Destroy(bitmap);
 
     FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE);
     FORM_OnBeforeClosePage(page, form);
     FPDFText_ClosePage(text_page);
     FPDF_ClosePage(page);
   }
 
   FORM_DoDocumentAAction(form, FPDFDOC_AACTION_WC);
+  FPDF_CloseDocument(doc);
   FPDFDOC_ExitFormFillEnvironment(form);
-  FPDF_CloseDocument(doc);
   FPDFAvail_Destroy(pdf_avail);
 
   fprintf(stderr, "Rendered %d pages.\n", rendered_pages);
   fprintf(stderr, "Skipped %d bad pages.\n", bad_pages);
 }
 
 static const char usage_string[] =
     "Usage: pdfium_test [OPTION] [FILE]...\n"
     "  --bin-dir=<path> - override path to v8 external data\n"
     "  --scale=<number> - scale output size by number (e.g. 0.5)\n"
@@ skipping 48 matching lines @@
     RenderPdf(filename, file_contents, file_length, options);
     free(file_contents);
   }
 
   FPDF_DestroyLibrary();
   v8::V8::ShutdownPlatform();
   delete platform;
 
   return 0;
 }