Import TestRunner library into chromium.

content/shell/renderer/test_runner/MockSpellCheck.h

Index: content/shell/renderer/test_runner/MockSpellCheck.h
diff --git a/content/shell/renderer/test_runner/MockSpellCheck.h b/content/shell/renderer/test_runner/MockSpellCheck.h
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+// 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 MockSpellCheck_h
+#define MockSpellCheck_h
+
+#include <vector>
+
+#include "third_party/WebKit/public/platform/WebNonCopyable.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/WebVector.h"
+#include "third_party/WebKit/public/web/WebTextCheckingResult.h"
+
+namespace WebTestRunner {
+
+// A mock implementation of a spell-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 misspelled
+// words in webkit tests and mark them as missspelled.
+// Even though this is sufficent for webkit tests, this class is not suitable
+// for any other usages.
+class MockSpellCheck : public blink::WebNonCopyable {
+public:
+    static void fillSuggestionList(const blink::WebString& word, blink::WebVector<blink::WebString>* suggestions);
+
+    MockSpellCheck();
+    ~MockSpellCheck();
+
+    // Checks the spellings of the specified text.
+    // This function returns true if the text consists of valid words, and
+    // returns false if it includes invalid words.
+    // When the given text includes invalid words, this function sets the
+    // position of the first invalid word to misspelledOffset, and the length of
+    // the first invalid word to misspelledLength, respectively.
+    // For example, when the given text is "   zz zz", this function sets 3 to
+    // misspelledOffset and 2 to misspelledLength, respectively.
+    bool spellCheckWord(const blink::WebString& text, int* misspelledOffset, int* misspelledLength);
+
+    // Checks whether the specified text can be spell checked immediately using
+    // the spell checker cache.
+    bool hasInCache(const blink::WebString& text);
+
+    // Checks whether the specified text is a misspelling comprised of more
+    // than one word. If it is, append multiple results to the results vector.
+    bool isMultiWordMisspelling(const blink::WebString& text, std::vector<blink::WebTextCheckingResult>* results);
+
+private:
+    // Initialize the internal resources if we need to initialize it.
+    // Initializing this object may take long time. To prevent from hurting
+    // the performance of test_shell, we initialize this object when
+    // SpellCheckWord() is called for the first time.
+    // To be compliant with SpellCheck:InitializeIfNeeded(), this function
+    // returns true if this object is downloading a dictionary, otherwise
+    // it returns false.
+    bool initializeIfNeeded();
+
+    // A table that consists of misspelled words.
+    std::vector<string16> m_misspelledWords;
+
+    // A flag representing whether or not this object is initialized.
+    bool m_initialized;
+};
+
+}
+
+#endif // MockSpellCheck_h