Switch from using individual methods for hyphenation to using the WebHyphantor interface

webkit/mocks/mock_webhyphenator.h

+// Copyright (c) 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 WEBKIT_MOCKS_MOCK_WEBHYPHENATOR_H_
+#define WEBKIT_MOCKS_MOCK_WEBHYPHENATOR_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/platform_file.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebHyphenator.h"
+
+typedef struct _HyphenDict HyphenDict;
+
+namespace webkit_glue {
+
+// Implements a simple WebHyphenator that only supports en-US. It is used for
+// layout tests that expect that hyphenator to be available synchronously.
+// Therefore, this class supports synchronous loading of the dictionary as well.
+class MockWebHyphenator : public WebKit::WebHyphenator {
+ public:
+  MockWebHyphenator();
+  virtual ~MockWebHyphenator();
+
+  // Loads the hyphenation dictionary. |dict_file| should be an open fd to
+  // third_party/hyphen/hyph_en_US.dic.
+  void LoadDictionary(base::PlatformFile dict_file);
+
+  // WebHyphenator implementation.
+  virtual bool canHyphenate(const WebKit::WebString& locale) OVERRIDE;
+  virtual size_t computeLastHyphenLocation(
+      const char16* characters,
+      size_t length,
+      size_t before_index,
+      const WebKit::WebString& locale) OVERRIDE;
+
+ private:
+  HyphenDict* hyphen_dictionary_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockWebHyphenator);
+};
+
+}  // namespace webkit_glue
+
+#endif  // WEBKIT_MOCKS_MOCK_WEBHYPHENATOR_H_