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

printing/pdf_render_settings.h

Index: printing/pdf_render_settings.h
===================================================================
--- printing/pdf_render_settings.h	(revision 0)
+++ printing/pdf_render_settings.h	(revision 0)
@@ -0,0 +1,41 @@
+// 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.
+
+#ifndef PRINTING_PDF_RENDER_SETTINGS_H_
+#define PRINTING_PDF_RENDER_SETTINGS_H_
+
+#include "base/tuple.h"
+#include "ipc/ipc_param_traits.h"
+#include "printing/printing_export.h"
+#include "ui/gfx/rect.h"
+
+namespace printing {
+
+// Defining PDF rendering settings here as a Tuple as following:
+// gfx::Rect - render area
+// int - render dpi
+// bool - autorotate pages to fit paper
+typedef Tuple3<gfx::Rect, int, bool> PdfRenderSettingsBase;
+
+struct PdfRenderSettings : public PdfRenderSettingsBase {
+ public:
+  PdfRenderSettings() : PdfRenderSettingsBase() {}
+  PdfRenderSettings(gfx::Rect area, int dpi, bool autorotate)
+      : PdfRenderSettingsBase(area, dpi, autorotate) {}
+  ~PdfRenderSettings() {}
+
+  const gfx::Rect& area() const { return a; }
+  int dpi() const { return b; }
+  bool autorotate() const { return c; }
+};
+
+}  // namespace printing
+
+template <>
+struct IPC::SimilarTypeTraits<printing::PdfRenderSettings> {
+  typedef printing::PdfRenderSettingsBase Type;
+};
+
+#endif  // PRINTING_PDF_RENDER_SETTINGS_H_
+