Move UtilityProcessHost to content and move the message sending/dispatching to the clients. This...

chrome/utility/chrome_content_utility_client.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.
+
+#ifndef CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
+#define CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "base/platform_file.h"
+#include "content/utility/content_utility_client.h"
+
+class FilePath;
+
+namespace gfx {
+class Rect;
+}
+
+namespace printing {
+struct PageRange;
+}
+
+namespace chrome {
+
+class ChromeContentUtilityClient : public content::ContentUtilityClient {
+ public:
+  ChromeContentUtilityClient();
+  ~ChromeContentUtilityClient();
+
+  virtual void UtilityThreadStarted() OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+ private:
+  virtual bool Send(IPC::Message* message);
+
+  // IPC message handlers.
+  void OnUnpackExtension(const FilePath& extension_path);
+  void OnUnpackWebResource(const std::string& resource_data);
+  void OnParseUpdateManifest(const std::string& xml);
+  void OnDecodeImage(const std::vector<unsigned char>& encoded_data);
+  void OnDecodeImageBase64(const std::string& encoded_data);
+  void OnRenderPDFPagesToMetafile(
+      base::PlatformFile pdf_file,
+      const FilePath& metafile_path,
+      const gfx::Rect& render_area,
+      int render_dpi,
+      const std::vector<printing::PageRange>& page_ranges);
+  void OnParseJSON(const std::string& json);
+
+#if defined(OS_WIN)
+  // Helper method for Windows.
+  // |highest_rendered_page_number| is set to -1 on failure to render any page.
+  bool RenderPDFToWinMetafile(
+    base::PlatformFile pdf_file,

[Matt Perry, 2011/06/09 01:40:33]

indent +2

+    const FilePath& metafile_path,
+    const gfx::Rect& render_area,
+    int render_dpi,
+    const std::vector<printing::PageRange>& page_ranges,
+    int* highest_rendered_page_number);
+#endif   // defined(OS_WIN)
+
+  void OnGetPrinterCapsAndDefaults(const std::string& printer_name);
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_