Hookup Print HTML page to the DOM UI for Print Preview and Settings...

chrome/browser/dom_ui/print_ui.h

 // Copyright (c) 2009 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_BROWSER_DOM_UI_PRINT_UI_H_
 #define CHROME_BROWSER_DOM_UI_PRINT_UI_H_
 
+#include <string>
+
+#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/dom_ui/dom_ui.h"
 
+// The TabContents used for the print page.
 class PrintUI : public DOMUI {
  public:
   explicit PrintUI(TabContents* contents);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PrintUI);
 };
 
+// To serve dynamic print data off of chrome.
+class PrintUIHTMLSource : public ChromeURLDataManager::DataSource {
+ public:
+  PrintUIHTMLSource();
+
+  // ChromeURLDataManager overrides.
+  virtual void StartDataRequest(const std::string& path, int request_id);
+  virtual std::string GetMimeType(const std::string&) const {
+    return "text/html";
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PrintUIHTMLSource);
+};
+
 #endif  // CHROME_BROWSER_DOM_UI_PRINT_UI_H_