Turn on enforce-in-pdf Clang plugin flag.

pdf/pdfium/pdfium_engine.cc

Index: pdf/pdfium/pdfium_engine.cc
diff --git a/pdf/pdfium/pdfium_engine.cc b/pdf/pdfium/pdfium_engine.cc
index 8461b66eccc491dd821f4cf835e66a7a186758f0..f26eb3801a9ed729e01ed6d4cc6b95858e0924b1 100644
--- a/pdf/pdfium/pdfium_engine.cc
+++ b/pdf/pdfium/pdfium_engine.cc
@@ -8,6 +8,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <algorithm>
 #include <memory>
 #include <set>
 
@@ -2300,6 +2301,10 @@ pp::Rect PDFiumEngine::GetPageContentsRect(int index) {
   return GetScreenRect(pages_[index]->rect());
 }
 
+int PDFiumEngine::GetVerticalScrollbarYPosition() {
+  return position_.y();
+}
+
 void PDFiumEngine::SetGrayscale(bool grayscale) {
   render_grayscale_ = grayscale;
 }
@@ -3777,6 +3782,26 @@ int CalculatePosition(FPDF_PAGE page,
 
 }  // namespace
 
+PDFEngineExports::RenderingSettings::RenderingSettings(int dpi_x,
+                                                       int dpi_y,
+                                                       const pp::Rect& bounds,
+                                                       bool fit_to_bounds,
+                                                       bool stretch_to_bounds,
+                                                       bool keep_aspect_ratio,
+                                                       bool center_in_bounds,
+                                                       bool autorotate)
+    : dpi_x(dpi_x),
+      dpi_y(dpi_y),
+      bounds(bounds),
+      fit_to_bounds(fit_to_bounds),
+      stretch_to_bounds(stretch_to_bounds),
+      keep_aspect_ratio(keep_aspect_ratio),
+      center_in_bounds(center_in_bounds),
+      autorotate(autorotate) {}
+
+PDFEngineExports::RenderingSettings::RenderingSettings(
+    const RenderingSettings& that) = default;
+
 PDFEngineExports* PDFEngineExports::Get() {
   return g_pdf_engine_exports.Pointer();
 }