Fix page leaks in an embedder test

fpdfsdk/fpdfformfill_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 "public/fpdf_formfill.h"
 #include "testing/embedder_test.h"
 #include "testing/embedder_test_mock_delegate.h"
 #include "testing/embedder_test_timer_handling_delegate.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 27 matching lines @@
   DoOpenActions();
   delegate.AdvanceTime(5000);
   UnloadPage(page);
 }
 
 TEST_F(FPDFFormFillEmbeddertest, BUG_507316) {
   EmbedderTestTimerHandlingDelegate delegate;
   SetDelegate(&delegate);
 
   EXPECT_TRUE(OpenDocument("bug_507316.pdf"));
-  FPDF_PAGE page = LoadAndCachePage(2);
+  FPDF_PAGE page = LoadPage(2);
   EXPECT_TRUE(page);
   DoOpenActions();
   delegate.AdvanceTime(4000);
   UnloadPage(page);
 }
 
 TEST_F(FPDFFormFillEmbeddertest, BUG_514690) {
   EXPECT_TRUE(OpenDocument("hello_world.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_TRUE(page);
@@ skipping 114 matching lines @@
   delegate.AdvanceTime(1000);
   delegate.AdvanceTime(1000);
   delegate.AdvanceTime(1000);
   UnloadPage(page);
 
   const auto& alerts = delegate.GetAlerts();
   EXPECT_EQ(2U, alerts.size());
 }
 
 #endif  // PDF_ENABLE_V8