Open hyperlinks in PDF in a new tab when middle mouse clicking.

pdf/pdfium/pdfium_page.cc

Index: pdf/pdfium/pdfium_page.cc
diff --git a/pdf/pdfium/pdfium_page.cc b/pdf/pdfium/pdfium_page.cc
index e95296986d823d84491fdd0fd8cdeea7ea80daf2..07694c3351468dc8e757527e62e9faaab7728a4c 100644
--- a/pdf/pdfium/pdfium_page.cc
+++ b/pdf/pdfium/pdfium_page.cc
@@ -73,6 +73,14 @@ bool OverlapsOnYAxis(const pp::FloatRect &a, const pp::FloatRect& b) {
            a.bottom() < b.y() || b.bottom() < a.y());
 }
 
+pp::Rect UnionLinkCharRects(const std::vector<pp::Rect>& rects) {
+  pp::Rect result_rect;
+  for (const auto& rect : rects)
+    result_rect = result_rect.Union(rect);
+
+  return result_rect;
+}
+
 }  // namespace
 
 namespace chrome_pdf {
@@ -371,6 +379,19 @@ int PDFiumPage::GetLink(int char_index, PDFiumPage::LinkTarget* target) {
   return -1;
 }
 
+std::vector<pp::Rect> PDFiumPage::GetLinkRects() {
+  std::vector<pp::Rect> link_rects;
+  if (!available_)
+    return link_rects;
+
+  CalculateLinks();
+
+  for (const auto& link : links_)
+    link_rects.push_back(UnionLinkCharRects(link.rects));
+
+  return link_rects;
+}
+
 std::vector<int> PDFiumPage::GetLinks(pp::Rect text_area,
                                       std::vector<LinkTarget>* targets) {
   std::vector<int> links;