Pass PWG raster conversion settings from Preview to Converter.

chrome/browser/local_discovery/pwg_raster_converter.h

Index: chrome/browser/local_discovery/pwg_raster_converter.h
diff --git a/chrome/browser/local_discovery/pwg_raster_converter.h b/chrome/browser/local_discovery/pwg_raster_converter.h
index b6f53ffce7b590ba8c8466907b2504890d38a915..47c8ade2c158ba6007828c029708d1a23e6fafba 100644
--- a/chrome/browser/local_discovery/pwg_raster_converter.h
+++ b/chrome/browser/local_discovery/pwg_raster_converter.h
@@ -6,14 +6,20 @@
 #define CHROME_BROWSER_LOCAL_DISCOVERY_PWG_RASTER_CONVERTER_H_
 
 #include "base/callback.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
 
 namespace base {
 class FilePath;
 }
 
+namespace gfx {
+class Size;
+}
+
+namespace printing {
+class PdfRenderSettings;
+}
+
 namespace local_discovery {
 
 class PWGRasterConverter {
@@ -29,7 +35,8 @@ class PWGRasterConverter {
 
   static scoped_ptr<PWGRasterConverter> CreateDefault();
 
-  virtual void Start(base::RefCountedBytes* data,
+  virtual void Start(base::RefCountedMemory* data,
+                     const printing::PdfRenderSettings& conversion_settings,
                      const ResultCallback& callback) = 0;
 };