Removing PDFiumPage::GetLinks method

This CL removes PDFiumPage::GetLinks method because there are no callers
of this function.

Bug: 990050
Change-Id: I627dffcde764bec440f2733db162bd3d443072ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731789
Reviewed-by: Kevin Babbitt <kbabbitt@microsoft.com>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Kevin Babbitt <kbabbitt@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#683342}

pdf/pdfium/pdfium_page.cc

@@ -423,29 +423,6 @@ int PDFiumPage::GetLink(int char_index, LinkTarget* target) {
   return -1;
 }
 
-std::vector<int> PDFiumPage::GetLinks(pp::Rect text_area,
-                                      std::vector<LinkTarget>* targets) {
-  std::vector<int> links;
-  if (!available_)
-    return links;
-
-  CalculateLinks();
-
-  for (size_t i = 0; i < links_.size(); ++i) {
-    for (const auto& rect : links_[i].rects) {
-      if (rect.Intersects(text_area)) {
-        if (targets) {
-          LinkTarget target;
-          target.url = links_[i].url;
-          targets->push_back(target);
-        }
-        links.push_back(i);
-      }
-    }
-  }
-  return links;
-}
-
 void PDFiumPage::CalculateLinks() {
   if (calculated_links_)
     return;

pdf/pdfium/pdfium_page.h

@@ -133,10 +133,6 @@ class PDFiumPage {
   // Returns a link index if the given character index is over a link, or -1
   // otherwise.
   int GetLink(int char_index, LinkTarget* target);
-  // Returns the link indices if the given rect intersects a link rect, or an
-  // empty vector otherwise.
-  std::vector<int> GetLinks(pp::Rect text_area,
-                            std::vector<LinkTarget>* targets);
   // Calculate the locations of any links on the page.
   void CalculateLinks();
   // Returns link type and fills target associated with a link. Returns