Get rid of a bunch of tab_contents.h includes from chrome. These are all trivial changes to use W...

chrome/browser/printing/print_preview_message_handler.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_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
 #define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "content/public/browser/web_contents_observer.h"
 
 class PrintPreviewUI;
 class TabContentsWrapper;
 struct PrintHostMsg_DidGetPreviewPageCount_Params;
 struct PrintHostMsg_DidPreviewDocument_Params;
 struct PrintHostMsg_DidPreviewPage_Params;
 
 namespace printing {
 
 struct PageSizeMargins;
 
 // TabContents offloads print preview message handling to
 // PrintPreviewMessageHandler. This object has the same life time as the
 // TabContents that owns it.
 class PrintPreviewMessageHandler : public content::WebContentsObserver {
  public:
-  explicit PrintPreviewMessageHandler(TabContents* tab_contents);
+  explicit PrintPreviewMessageHandler(content::WebContents* web_contents);
   virtual ~PrintPreviewMessageHandler();
 
   // content::WebContentsObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void NavigateToPendingEntry(const GURL& url,
       content::NavigationController::ReloadType reload_type) OVERRIDE;
 
  private:
-  // Gets the print preview tab associated with the TabContents being observed.
+  // Gets the print preview tab associated with the WebContents being observed.
   TabContentsWrapper* GetPrintPreviewTab();
 
-  // Helper function to return the TabContentsWrapper for tab_contents().
+  // Helper function to return the TabContentsWrapper for web_contents().
   TabContentsWrapper* tab_contents_wrapper();
 
   // Common code between failure handlers. Returns a PrintPreviewUI* if there
   // exists a PrintPreviewUI to send messages to.
   PrintPreviewUI* OnFailure(int document_cookie);
 
   // Message handlers.
   void OnRequestPrintPreview(bool source_is_modifiable);
   void OnDidGetDefaultPageLayout(
       const printing::PageSizeMargins& page_layout_in_points);
   void OnDidGetPreviewPageCount(
       const PrintHostMsg_DidGetPreviewPageCount_Params& params);
   void OnDidPreviewPage(const PrintHostMsg_DidPreviewPage_Params& params);
   void OnMetafileReadyForPrinting(
       const PrintHostMsg_DidPreviewDocument_Params& params);
   void OnPrintPreviewFailed(int document_cookie);
   void OnPrintPreviewCancelled(int document_cookie);
   void OnInvalidPrinterSettings(int document_cookie);
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewMessageHandler);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_