Add WebContents* to some more WebContentsDelegate methods

chrome/browser/printing/print_preview_tab_controller.cc

Index: chrome/browser/printing/print_preview_tab_controller.cc
diff --git a/chrome/browser/printing/print_preview_tab_controller.cc b/chrome/browser/printing/print_preview_tab_controller.cc
index 04bf2e007e3c23b0947666dc4add24ad6f881c8a..009a9842f53e031096f19c54aa91a49f0c4dd79d 100644
--- a/chrome/browser/printing/print_preview_tab_controller.cc
+++ b/chrome/browser/printing/print_preview_tab_controller.cc
@@ -162,6 +162,7 @@ class PrintPreviewWebContentDelegate : public WebDialogWebContentsDelegate,
 
   // Overridden from WebDialogWebContentsDelegate:
   virtual void HandleKeyboardEvent(
+      WebContents* source,
       const NativeWebKeyboardEvent& event) OVERRIDE;
 
   // Overridden from CoreTabHelperDelegate:
@@ -193,6 +194,7 @@ bool PrintPreviewWebContentDelegate::CanSaveContents(
 }
 
 void PrintPreviewWebContentDelegate::HandleKeyboardEvent(
+    WebContents* source,
     const NativeWebKeyboardEvent& event) {
   // Disabled on Mac due to http://crbug.com/112173
 #if !defined(OS_MACOSX)