Add WebContents* to some more WebContentsDelegate methods

chrome/browser/printing/print_preview_tab_controller.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 144 matching lines @@
 // WebContentsDelegate that forwards shortcut keys in the print preview
 // renderer to the browser and makes sure users can't reload/save.
 class PrintPreviewWebContentDelegate : public WebDialogWebContentsDelegate,
                                        public CoreTabHelperDelegate {
  public:
   PrintPreviewWebContentDelegate(Profile* profile, TabContents* initiator_tab);
   virtual ~PrintPreviewWebContentDelegate();
 
   // Overridden from WebDialogWebContentsDelegate:
   virtual void HandleKeyboardEvent(
+      WebContents* source,
       const NativeWebKeyboardEvent& event) OVERRIDE;
 
   // Overridden from CoreTabHelperDelegate:
   virtual bool CanReloadContents(TabContents* source) const OVERRIDE;
   virtual bool CanSaveContents(TabContents* source) const OVERRIDE;
 
  private:
   TabContents* tab_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewWebContentDelegate);
@@ skipping 11 matching lines @@
     TabContents* source) const {
   return false;
 }
 
 bool PrintPreviewWebContentDelegate::CanSaveContents(
     TabContents* source) const {
   return false;
 }
 
 void PrintPreviewWebContentDelegate::HandleKeyboardEvent(
+    WebContents* source,
     const NativeWebKeyboardEvent& event) {
   // Disabled on Mac due to http://crbug.com/112173
 #if !defined(OS_MACOSX)
   Browser* current_browser =
       browser::FindBrowserWithWebContents(tab_->web_contents());
   if (!current_browser)
     return;
   current_browser->window()->HandleKeyboardEvent(event);
 #endif
 }
@@ skipping 338 matching lines @@
   PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
       preview_tab->web_contents()->GetWebUI()->GetController());
   if (print_preview_ui)
     print_preview_ui->OnTabDestroyed();
 
   preview_tab_map_.erase(preview_tab);
   RemoveObservers(preview_tab);
 }
 
 }  // namespace printing