Implement print preview tab controller.

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2010 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_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 706 matching lines @@
                           int maximum_percent,
                           bool remember);
   void OnSetSuggestions(int32 page_id,
                         const std::vector<std::string>& suggestions);
   void OnInstantSupportDetermined(int32 page_id, bool result);
   void OnDetectedPhishingSite(const GURL& phishing_url,
                               double phishing_score,
                               const SkBitmap& thumbnail);
   void OnScriptEvalResponse(int id, bool result);
   void OnUpdateContentRestrictions(int restrictions);
+  TabContents* GetPrintPreviewTab();

[Lei Zhang, 2010/11/12 02:10:55]

Should this be private?

[kmadhusu, 2010/11/12 22:21:48]

Done.

 #if defined(OS_MACOSX) || defined(OS_WIN)
   void OnPageReadyForPreview(const ViewHostMsg_DidPrintPage_Params& params);
 #else
   void OnPagesReadyForPreview(int fd_in_browser);
 #endif
 
 #if defined(OS_MACOSX)
   void OnMsgShowPopup(const ViewHostMsg_ShowPopup_Params& params);
 #endif
 
@@ skipping 78 matching lines @@
   // Whether the accessibility tree should be saved, for unit testing.
   bool save_accessibility_tree_for_testing_;
 
   // The most recently received accessibility tree - for unit testing only.
   webkit_glue::WebAccessibility accessibility_tree_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_