Turn on enforce-in-pdf Clang plugin flag.

pdf/pdf_engine.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PDF_PDF_ENGINE_H_
 #define PDF_PDF_ENGINE_H_
 
 #include <stdint.h>
 
 #include "build/build_config.h"
@@ skipping 287 matching lines @@
 class PDFEngineExports {
  public:
   struct 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) {
-    }
+                      bool autorotate);
+    RenderingSettings(const RenderingSettings& that);
+
     int dpi_x;
     int dpi_y;
     pp::Rect bounds;
     bool fit_to_bounds;
     bool stretch_to_bounds;
     bool keep_aspect_ratio;
     bool center_in_bounds;
     bool autorotate;
   };
 
@@ skipping 23 matching lines @@
 
   // See the definition of GetPDFPageSizeByIndex in pdf.cc for details.
   virtual bool GetPDFPageSizeByIndex(const void* pdf_buffer,
                                      int pdf_buffer_size, int page_number,
                                      double* width, double* height) = 0;
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_PDF_ENGINE_H_