Introduce ScopedFPDF types in public/cpp/fpdf_scopers.h

Applies std::remove_ptr to the public API types so that we can
deduce a correct unique ptr type no matter how that API might
change away from void* usage.

Creates shorter names for std::unique_ptr<std::remove_pointer<>, ...>

Change-Id: I04a0ff43cb7d5a4d3867939a53a54c9cef00db86
Reviewed-on: https://pdfium-review.googlesource.com/31292
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/core/fpdfapi/render/fpdf_render_pattern_embeddertest.cpp b/core/fpdfapi/render/fpdf_render_pattern_embeddertest.cpp
index 00b0933b71..31ce246365 100644
--- a/core/fpdfapi/render/fpdf_render_pattern_embeddertest.cpp
+++ b/core/fpdfapi/render/fpdf_render_pattern_embeddertest.cpp
@@ -4,6 +4,7 @@
 
 #include <memory>
 
+#include "public/cpp/fpdf_scopers.h"
 #include "testing/embedder_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -14,7 +15,7 @@ TEST_F(FPDFRenderPatternEmbeddertest, LoadError_547706) {
   EXPECT_TRUE(OpenDocument("bug_547706.pdf"));
   FPDF_PAGE page = LoadPage(0);
   ASSERT_TRUE(page);
-  std::unique_ptr<void, FPDFBitmapDeleter> bitmap = RenderLoadedPage(page);
+  ScopedFPDFBitmap bitmap = RenderLoadedPage(page);
   CompareBitmap(bitmap.get(), 612, 792, "1940568c9ba33bac5d0b1ee9558c76b3");
   UnloadPage(page);
 }