Add Deleter and Scoper for FPDF_PAGELINK.chromium/3495

Change-Id: Ie997bfa5437d4222a381be3fc2b4334d6c8e2d5b
Reviewed-on: https://pdfium-review.googlesource.com/38190
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

2 files changed, 10 insertions, 0 deletions

diff --git a/public/cpp/fpdf_deleters.h b/public/cpp/fpdf_deleters.h
index 51e7cba7f8..d9d95cda3b 100644
--- a/public/cpp/fpdf_deleters.h
+++ b/public/cpp/fpdf_deleters.h
@@ -45,6 +45,12 @@ struct FPDFPageDeleter {
   inline void operator()(FPDF_PAGE page) { FPDF_ClosePage(page); }
 };
 
+struct FPDFPageLinkDeleter {
+  inline void operator()(FPDF_PAGELINK pagelink) {
+    FPDFLink_CloseWebLinks(pagelink);
+  }
+};
+
 struct FPDFStructTreeDeleter {
   inline void operator()(FPDF_STRUCTTREE tree) { FPDF_StructTree_Close(tree); }
 };
diff --git a/public/cpp/fpdf_scopers.h b/public/cpp/fpdf_scopers.h
index 1898ac887d..3601f47344 100644
--- a/public/cpp/fpdf_scopers.h
+++ b/public/cpp/fpdf_scopers.h
@@ -44,6 +44,10 @@ using ScopedFPDFTextPage =
 using ScopedFPDFPage =
     std::unique_ptr<std::remove_pointer<FPDF_PAGE>::type, FPDFPageDeleter>;
 
+using ScopedFPDFPageLink =
+    std::unique_ptr<std::remove_pointer<FPDF_PAGELINK>::type,
+                    FPDFPageLinkDeleter>;
+
 using ScopedFPDFStructTree =
     std::unique_ptr<std::remove_pointer<FPDF_STRUCTTREE>::type,
                     FPDFStructTreeDeleter>;