[NaCl SDK] Refactor FakeFileSystemInterface.

native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_util.h

Index: native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_util.h
diff --git a/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_util.h b/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_util.h
index 11e6103e11626f298d51737830364dfa9855ccf9..6089663e0e6e7cc2466dcd6d45baa04f25f2ee82 100644
--- a/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_util.h
+++ b/native_client_sdk/src/tests/nacl_io_test/fake_ppapi/fake_util.h
@@ -32,6 +32,14 @@ class FakeFileSystemResource : public FakeResource {
   bool opened;
 };
 
+class FakeHtml5FsResource : public FakeResource {
+ public:
+  FakeHtml5FsResource() : filesystem_template(NULL) {}
+  static const char* classname() { return "FakeHtml5FsResource"; }
+
+  FakeHtml5FsFilesystem* filesystem_template;  // Weak reference.
+};
+
 int32_t RunCompletionCallback(PP_CompletionCallback* callback, int32_t result);
 
 #endif  // LIBRARIES_NACL_IO_TEST_FAKE_UTIL_H_