Revert 127833 - Re-land alexbost's experimental offscreenTabs API.

chrome/browser/extensions/extension_tab_util.h

Index: chrome/browser/extensions/extension_tab_util.h
===================================================================
--- chrome/browser/extensions/extension_tab_util.h	(revision 127860)
+++ chrome/browser/extensions/extension_tab_util.h	(working copy)
@@ -9,8 +9,6 @@
 #include <string>
 
 class Browser;
-class Extension;
-class GURL;
 class Profile;
 class TabContents;
 class TabContentsWrapper;
@@ -64,20 +62,6 @@
                          TabStripModel** tab_strip,
                          TabContentsWrapper** contents,
                          int* tab_index);
-
-  // Takes |url_string| and returns a GURL which is either valid and absolute
-  // or invalid. If |url_string| is not directly interpretable as a valid (it is
-  // likely a relative URL) an attempt is made to resolve it. |extension| is
-  // provided so it can be resolved relative to its extension base
-  // (chrome-extension://<id>/). Using the source frame url would be more
-  // correct, but because the api shipped with urls resolved relative to their
-  // extension base, we decided it wasn't worth breaking existing extensions to
-  // fix.
-  static GURL ResolvePossiblyRelativeURL(const std::string& url_string,
-                                         const Extension* extension);
-
-  // Returns true if |url| is used for testing crashes.
-  static bool IsCrashURL(const GURL& url);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_UTIL_H__