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

chrome/browser/chromeos/external_protocol_dialog.h

Index: chrome/browser/chromeos/external_protocol_dialog.h
===================================================================
--- chrome/browser/chromeos/external_protocol_dialog.h	(revision 116331)
+++ chrome/browser/chromeos/external_protocol_dialog.h	(working copy)
@@ -13,8 +13,11 @@
 #include "ui/views/window/dialog_delegate.h"
 
 class GURL;
-class TabContents;
 
+namespace content {
+class WebContents;
+}
+
 namespace views {
 class MessageBoxView;
 }
@@ -25,7 +28,7 @@
 class ExternalProtocolDialog : public views::DialogDelegate {
  public:
   // RunExternalProtocolDialog calls this private constructor.
-  ExternalProtocolDialog(TabContents* tab_contents, const GURL& url);
+  ExternalProtocolDialog(content::WebContents* web_contents, const GURL& url);
 
   virtual ~ExternalProtocolDialog();