Minimal patch to add rotation to PWG raster generation

chrome/utility/cloud_print/pwg_encoder.h

 // Copyright 2013 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 CHROME_UTILITY_CLOUD_PRINT_PWG_ENCODER_H_
 #define CHROME_UTILITY_CLOUD_PRINT_PWG_ENCODER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace cloud_print {
 
 class BitmapImage;
 
 class PwgEncoder {
  public:
   PwgEncoder();
 
   void EncodeDocumentHeader(std::string *output) const;
-  bool EncodePage(const BitmapImage& image, const uint32 dpi,
-                  const uint32 total_pages, std::string* output) const;
+  bool EncodePage(const BitmapImage& image,
+                  const uint32 dpi,
+                  const uint32 total_pages,
+                  std::string* output,
+                  bool rotate) const;
 
  private:
   void EncodePageHeader(const BitmapImage& image, const uint32 dpi,
                         const uint32 total_pages, std::string* output) const;
-  bool EncodeRowFrom32Bit(const uint8* row, const int width,
-                          const int color_space, std::string* output) const;
+  bool EncodeRowFrom32Bit(const uint8* row,
+                          const int width,
+                          const int color_space,
+                          std::string* output) const;
   const uint8* GetRow(const BitmapImage& image, int row) const;
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_UTILITY_CLOUD_PRINT_PWG_ENCODER_H_