Revert of Add mechanism to auto mount file systems in response to a URL request.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index e5265fc20bb34b29d308adffacab2472be5a2075..e3e8250a2645ae2e1392dea3f9ce5915e7f281b9 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -25,7 +25,6 @@
 #include "net/url_request/url_request_job_factory.h"
 #include "third_party/WebKit/public/web/WebNotificationPresenter.h"
 #include "ui/base/window_open_disposition.h"
-#include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/common/resource_type.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
@@ -576,10 +575,6 @@
   virtual void GetAdditionalAllowedSchemesForFileSystem(
       std::vector<std::string>* additional_schemes) {}
 
-  // Returns auto mount handlers for URL requests for FileSystem APIs.
-  virtual void GetURLRequestAutoMountHandlers(
-      std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {}
-
   // Returns additional file system backends for FileSystem API.
   // |browser_context| is needed in the additional FileSystemBackends.
   // It has mount points to create objects returned by additional