Proxy the PPP_Printing interface

ppapi/c/dev/ppp_printing_dev.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.
  */
 
-/* From dev/ppp_printing_dev.idl modified Fri Nov 18 15:58:00 2011. */
+/* From dev/ppp_printing_dev.idl modified Wed Feb 22 12:44:39 2012. */
 
 #ifndef PPAPI_C_DEV_PPP_PRINTING_DEV_H_
 #define PPAPI_C_DEV_PPP_PRINTING_DEV_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_resource.h"
@@ skipping 76 matching lines @@
    * can only be made after a successful call to Begin. Returns the number of
    * pages required for the print output at the given page size (0 indicates
    * a failure).
    */
   int32_t (*Begin)(PP_Instance instance,
                    const struct PP_PrintSettings_Dev* print_settings);
   /**
    * Prints the specified pages using the format specified in Begin.
    * Returns a resource that represents the printed output.
    * This is a PPB_ImageData resource if the output format is
-   * PP_PrintOutputFormat_Raster and a PPB_Blob otherwise. Returns 0 on
+   * PP_PrintOutputFormat_Raster and a PPB_Buffer otherwise. Returns 0 on
    * failure.
    */
   PP_Resource (*PrintPages)(
       PP_Instance instance,
       const struct PP_PrintPageNumberRange_Dev* page_ranges,
       uint32_t page_range_count);
   /** Ends the print session. Further calls to PrintPage will fail. */
   void (*End)(PP_Instance instance);
   /**
    *  Returns true if the current content should be printed into the full page
    *  and not scaled down to fit within the printer's printable area.
    */
   PP_Bool (*IsScalingDisabled)(PP_Instance instance);
 };
 
 typedef struct PPP_Printing_Dev_0_5 PPP_Printing_Dev;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_DEV_PPP_PRINTING_DEV_H_ */