Remove hyphenation code from Chromium.

content/renderer/hyphenator/hyphenator.h

-// Copyright (c) 2012 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_RENDERER_HYPHENATOR_HYPHENATOR_H_
-#define CONTENT_RENDERER_HYPHENATOR_HYPHENATOR_H_
-
-#include <vector>
-
-#include "base/memory/scoped_handle.h"
-#include "base/platform_file.h"
-#include "base/strings/string16.h"
-#include "content/common/content_export.h"
-#include "content/public/renderer/render_process_observer.h"
-#include "ipc/ipc_platform_file.h"
-
-typedef struct _HyphenDict HyphenDict;
-
-namespace content {
-class RenderThread;
-
-// A class that hyphenates a word. This class encapsulates the hyphen library
-// and manages resources used by the library. When this class uses a huge
-// dictionary, it takes lots of memory (~1.3MB for English). A renderer should
-// create this object only when it renders a page that needs hyphenation and
-// deletes it when it moves to a page that does not need hyphenation.
-class CONTENT_EXPORT Hyphenator : public RenderProcessObserver {
- public:
-  explicit Hyphenator(base::PlatformFile file);
-  virtual ~Hyphenator();
-
-  // Initializes the hyphen library and allocates resources needed for
-  // hyphenation.
-  bool Initialize();
-
-  bool Attach(RenderThread* thread, const string16& locale);
-
-  // Returns whether this object can hyphenate words. When this object does not
-  // have a dictionary file attached, this function sends an IPC request to open
-  // the file.
-  bool CanHyphenate(const string16& locale);
-
-  // Returns the last hyphenation point, the position where we can insert a
-  // hyphen, before the given position. If there are not any hyphenation points,
-  // this function returns 0.
-  size_t ComputeLastHyphenLocation(const string16& word, size_t before_index);
-
-  // RenderProcessObserver implementation.
-  virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
-
- private:
-  void OnSetDictionary(IPC::PlatformFileForTransit rule_file);
-
-  // The dictionary used by the hyphen library.
-  HyphenDict* dictionary_;
-
-  string16 locale_;
-  ScopedStdioHandle dictionary_file_;
-
-  // A cached result. WebKit often calls ComputeLastHyphenLocation with the same
-  // word multiple times to find the best hyphenation point when it finds a line
-  // break. On the other hand, the hyphen library returns all hyphenation points
-  // for a word. This class caches the hyphenation points returned by the hyphen
-  // library to avoid calling the library multiple times.
-  string16 word_;
-  bool result_;
-  std::vector<int> hyphen_offsets_;
-
-  DISALLOW_COPY_AND_ASSIGN(Hyphenator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_HYPHENATOR_HYPHENATOR_H_