Added autorotate flag in PDF rendering and wiring it through service-utility channel.

chrome/common/chrome_utility_messages.h

 // 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.
 
 // Multiply-included message file, so no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "base/values.h"
 #include "chrome/common/extensions/update_manifest.h"
 #include "content/common/common_param_traits.h"
 #include "content/common/serialized_script_value.h"
 #include "ipc/ipc_message_macros.h"
 #include "printing/backend/print_backend.h"
 #include "printing/page_range.h"
+#include "printing/pdf_render_settings.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 
 #define IPC_MESSAGE_START ChromeUtilityMsgStart
 
 IPC_STRUCT_TRAITS_BEGIN(printing::PageRange)
   IPC_STRUCT_TRAITS_MEMBER(from)
   IPC_STRUCT_TRAITS_MEMBER(to)
 IPC_STRUCT_TRAITS_END()
 
@@ skipping 37 matching lines @@
 // Tell the utility process to decode the given image data.
 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImage,
                      std::vector<unsigned char>)  // encoded image contents
 
 // Tell the utility process to decode the given image data, which is base64
 // encoded.
 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImageBase64,
                      std::string)  // base64 encoded image contents
 
 // Tell the utility process to render the given PDF into a metafile.
-IPC_MESSAGE_CONTROL5(ChromeUtilityMsg_RenderPDFPagesToMetafile,
+IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToMetafile,
                      base::PlatformFile,       // PDF file
                      FilePath,                 // Location for output metafile
-                     gfx::Rect,                // Render Area
-                     int,                      // DPI
+                     printing::PdfRenderSettings,  // PDF render settitngs
                      std::vector<printing::PageRange>)
 
 // Tell the utility process to parse a JSON string into a Value object.
 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseJSON,
                      std::string /* JSON to parse */)
 
 // Tells the utility process to get capabilities and defaults for the specified
 // printer. Used on Windows to isolate the service process from printer driver
 // crashes by executing this in a separate process. This does not run in a
 // sandbox.
@@ skipping 67 matching lines @@
 // Reply when the utility process has succeeded in obtaining the printer
 // capabilities and defaults.
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetPrinterCapsAndDefaults_Succeeded,
                      std::string /* printer name */,
                      printing::PrinterCapsAndDefaults)
 
 // Reply when the utility process has failed to obtain the printer
 // capabilities and defaults.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_GetPrinterCapsAndDefaults_Failed,
                      std::string /* printer name */)