Fix dependency: make file_system_util not depend on FileSystemURL

webkit/fileapi/file_system_util.cc

Index: webkit/fileapi/file_system_util.cc
diff --git a/webkit/fileapi/file_system_util.cc b/webkit/fileapi/file_system_util.cc
index a839aa065aa4dbc868594e00e3616c31b3d68f8f..ca97488c6aabf99d41fc762a31d6365fd532c101 100644
--- a/webkit/fileapi/file_system_util.cc
+++ b/webkit/fileapi/file_system_util.cc
@@ -16,7 +16,6 @@
 #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 #include "webkit/base/origin_url_conversions.h"
-#include "webkit/fileapi/file_system_url.h"
 
 namespace fileapi {
 
@@ -359,8 +358,4 @@ std::string GetIsolatedFileSystemRootURIString(
   return root;
 }
 
-bool AreSameFileSystem(const FileSystemURL& url1, const FileSystemURL& url2) {
-  return url1.origin() == url2.origin() && url1.type() == url2.type();
-}
-
 }  // namespace fileapi