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

chrome/service/service_utility_process_host.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.
 
 #include "chrome/service/service_utility_process_host.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
@@ skipping 20 matching lines @@
           client_message_loop_proxy_(client_message_loop_proxy),
           waiting_for_reply_(false) {
   process_id_ = ChildProcessInfo::GenerateChildProcessUniqueId();
 }
 
 ServiceUtilityProcessHost::~ServiceUtilityProcessHost() {
 }
 
 bool ServiceUtilityProcessHost::StartRenderPDFPagesToMetafile(
     const FilePath& pdf_path,
-    const gfx::Rect& render_area,
-    int render_dpi,
+    const printing::PdfRenderSettings& render_settings,
     const std::vector<printing::PageRange>& page_ranges) {
 #if !defined(OS_WIN)
   // This is only implemented on Windows (because currently it is only needed
   // on Windows). Will add implementations on other platforms when needed.
   NOTIMPLEMENTED();
   return false;
 #else  // !defined(OS_WIN)
   scratch_metafile_dir_.reset(new ScopedTempDir);
   if (!scratch_metafile_dir_->CreateUniqueTempDir())
     return false;
@@ skipping 19 matching lines @@
   ::DuplicateHandle(::GetCurrentProcess(), pdf_file, handle(),
                     &pdf_file_in_utility_process, 0, false,
                     DUPLICATE_SAME_ACCESS);
   if (!pdf_file_in_utility_process)
     return false;
   waiting_for_reply_ = true;
   return Send(
       new ChromeUtilityMsg_RenderPDFPagesToMetafile(
           pdf_file_in_utility_process,
           metafile_path_,
-          render_area,
-          render_dpi,
+          render_settings,
           page_ranges));
 #endif  // !defined(OS_WIN)
 }
 
 bool ServiceUtilityProcessHost::StartGetPrinterCapsAndDefaults(
     const std::string& printer_name) {
   FilePath exposed_path;
   if (!StartProcess(true, exposed_path))
     return false;
   waiting_for_reply_ = true;
@@ skipping 132 matching lines @@
   printing::Emf metafile;
   if (!metafile.InitFromFile(metafile_path)) {
     OnRenderPDFPagesToMetafileFailed();
   } else {
     OnRenderPDFPagesToMetafileSucceeded(metafile,
                                         highest_rendered_page_number);
   }
 #endif  // defined(OS_WIN)
 }