Move the check for fileBrowserHandler permission to FileBrowserHandler.

content/public/test/mock_special_storage_policy.cc

Index: content/public/test/mock_special_storage_policy.cc
diff --git a/content/public/test/mock_special_storage_policy.cc b/content/public/test/mock_special_storage_policy.cc
index 6704f617bbbd7660883100a66580e4487988ae0d..ff3c6c44be160d8638d2167d96a8b2d2aae25c7e 100644
--- a/content/public/test/mock_special_storage_policy.cc
+++ b/content/public/test/mock_special_storage_policy.cc
@@ -30,10 +30,6 @@ bool MockSpecialStoragePolicy::CanQueryDiskSize(const GURL& origin) {
   return ContainsKey(can_query_disk_size_, origin);
 }
 
-bool MockSpecialStoragePolicy::IsFileHandler(const std::string& extension_id) {
-  return ContainsKey(file_handlers_, extension_id);
-}
-
 bool MockSpecialStoragePolicy::HasIsolatedStorage(const GURL& origin) {
   return ContainsKey(isolated_, origin);
 }