Index: extensions/renderer/api_last_error.h |
diff --git a/extensions/renderer/api_last_error.h b/extensions/renderer/api_last_error.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..68ed4dd2a957ad79456f7c25f43e725beff43e7d |
--- /dev/null |
+++ b/extensions/renderer/api_last_error.h |
@@ -0,0 +1,44 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef EXTENSIONS_RENDERER_API_LAST_ERROR_H_ |
+#define EXTENSIONS_RENDERER_API_LAST_ERROR_H_ |
+ |
+#include <string> |
+ |
+#include "base/callback.h" |
+#include "base/macros.h" |
+#include "v8/include/v8.h" |
+ |
+namespace extensions { |
+ |
+// Handles creating and clearing a 'lastError' property to hold the last error |
+// set by an extension API function. |
+class APILastError { |
+ public: |
+ // Returns the object the 'lastError' property should be exposed on for the |
+ // given context. |
+ using GetParent = |
+ base::Callback<v8::Local<v8::Object>(v8::Local<v8::Context>)>; |
+ |
+ explicit APILastError(const GetParent& get_parent); |
+ APILastError(APILastError&& other); |
+ ~APILastError(); |
+ |
+ // Sets the last error for the given |context| to |error|. |
+ void SetError(v8::Local<v8::Context> context, const std::string& error); |
+ |
+ // Clears the last error in the given |context|. If |report_if_unchecked| is |
+ // true and the developer didn't check the error, this throws an exception. |
+ void ClearError(v8::Local<v8::Context> context, bool report_if_unchecked); |
+ |
+ private: |
+ GetParent get_parent_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(APILastError); |
+}; |
+ |
+} // namespace extensions |
+ |
+#endif // EXTENSIONS_RENDERER_API_LAST_ERROR_H_ |