Replace Browser::GetTabContentsAt with GetWebContentsAt and update all callers.

chrome/browser/ui/gtk/tabs/drag_data.cc

Index: chrome/browser/ui/gtk/tabs/drag_data.cc
===================================================================
--- chrome/browser/ui/gtk/tabs/drag_data.cc	(revision 116244)
+++ chrome/browser/ui/gtk/tabs/drag_data.cc	(working copy)
@@ -10,6 +10,8 @@
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 
+using content::WebContents;
+
 DraggedTabData::DraggedTabData()
     : tab_(NULL),
       contents_(NULL),
@@ -97,9 +99,9 @@
   return GetSourceTabData()->contents_;
 }
 
-TabContents* DragData::GetSourceTabContents() {
+WebContents* DragData::GetSourceWebContents() {
   TabContentsWrapper* contents = GetSourceTabData()->contents_;
-  return contents ? contents->tab_contents(): NULL;
+  return contents ? contents->web_contents(): NULL;
 }
 
 DraggedTabData* DragData::GetSourceTabData() {