Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

ppapi/native_client/src/trusted/plugin/plugin.cc

 // Copyright (c) 2011 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.
 
 #ifdef _MSC_VER
 // Do not warn about use of std::copy with raw pointers.
 #pragma warning(disable : 4996)
 #endif
 
 #include "native_client/src/trusted/plugin/plugin.h"
@@ skipping 348 matching lines @@
       return pp::ImageData(pp::ImageData::PassRef(), image_data);
     }
     return pp::Resource();
   }
 
   void PrintEnd() {
     if (ppp_printing_ != NULL)
       ppp_printing_->End(plugin_->pp_instance());
   }
 
+  bool IsPrintScalingDisabled() {
+    if (ppp_printing_ != NULL) {
+      PP_Bool result = ppp_printing_->IsScalingDisabled(plugin_->pp_instance());
+      return result == PP_TRUE;
+    }
+    return false;
+  }
+
  private:
   Plugin* plugin_;
   const PPP_Printing_Dev* ppp_printing_;
 
   NACL_DISALLOW_COPY_AND_ASSIGN(PrintingAdapter);
 };
 
 
 // Derive a class from pp::Selection_Dev to forward PPP_Selection_Dev calls to
 // the plugin.
@@ skipping 1582 matching lines @@
   std::string scheme = canonicalized.AsString().substr(comps.scheme.begin,
                                                        comps.scheme.len);
   if (scheme == kChromeExtensionUriScheme)
     return SCHEME_CHROME_EXTENSION;
   if (scheme == kDataUriScheme)
     return SCHEME_DATA;
   return SCHEME_OTHER;
 }
 
 }  // namespace plugin