test_runner: Migrate MockSpellCheck to Chromium C++ style.

content/shell/renderer/test_runner/mock_spell_check.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 CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_SPELL_CHECK_H_
+#define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_SPELL_CHECK_H_
+
+#include <vector>
+
+#include "base/basictypes.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 content {
+
+// 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:
+  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* misspelled_offset,
+                      int* misspelled_length);
+
+  // 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<base::string16> misspelled_words_;
+
+  // A flag representing whether or not this object is initialized.
+  bool initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockSpellCheck);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_SPELL_CHECK_H_