First cut at infobars on Mac. These are not expected to be...

chrome/common/temp_scaffolding_stubs.cc

Index: chrome/common/temp_scaffolding_stubs.cc
===================================================================
--- chrome/common/temp_scaffolding_stubs.cc	(revision 20925)
+++ chrome/common/temp_scaffolding_stubs.cc	(working copy)
@@ -35,7 +35,6 @@
 #include "views/controls/single_split_view.h"
 #endif
 
-class InfoBar;
 class TabContents;
 
 //--------------------------------------------------------------------------
@@ -245,23 +244,6 @@
   NOTIMPLEMENTED();
 }
 
-#if defined(OS_MACOSX)
-InfoBar* ConfirmInfoBarDelegate::CreateInfoBar() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-InfoBar* AlertInfoBarDelegate::CreateInfoBar() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-InfoBar* LinkInfoBarDelegate::CreateInfoBar() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-#endif
-
 // This should prompt the user if she wants to allow more than one concurrent
 // download per tab. Until this is in place, always allow multiple downloads.
 class DownloadRequestDialogDelegateStub