Import TestRunner library into chromium.

content/shell/renderer/test_runner/MockGrammarCheck.h

+// Copyright 2013 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 MockGrammarCheck_h
+#define MockGrammarCheck_h
+
+#include <vector>
+
+namespace blink {
+
+class WebString;
+struct WebTextCheckingResult;
+
+}
+
+namespace WebTestRunner {
+
+// A mock implementation of a grammar-checker used for WebKit tests. This class
+// only implements the minimal functionarities required by WebKit tests, i.e.
+// this class just compares the given string with known grammar mistakes in
+// webkit tests and adds grammar markers on them. Even though this is sufficent
+// for webkit tests, this class is not suitable for any other usages.
+class MockGrammarCheck {
+public:
+    static bool checkGrammarOfString(const blink::WebString&, std::vector<blink::WebTextCheckingResult>*);
+};
+
+}
+
+#endif // MockSpellCheck_h