Gtk3 ui: Add libgtk3ui as a separate build component

chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h

Index: chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h
diff --git a/chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h b/chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h
deleted file mode 100644
index fe8b19fce7adae5eae7f12e147035445fbd32945..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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 CHROME_BROWSER_UI_LIBGTK2UI_X11_INPUT_METHOD_CONTEXT_IMPL_GTK2_H_
-#define CHROME_BROWSER_UI_LIBGTK2UI_X11_INPUT_METHOD_CONTEXT_IMPL_GTK2_H_
-
-#include <vector>
-
-#include "base/containers/hash_tables.h"
-#include "base/event_types.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "ui/base/glib/glib_integers.h"
-#include "ui/base/glib/glib_signal.h"
-#include "ui/base/ime/linux/linux_input_method_context.h"
-#include "ui/gfx/geometry/rect.h"
-
-typedef union _GdkEvent GdkEvent;
-typedef struct _GtkIMContext GtkIMContext;
-
-namespace libgtk2ui {
-
-// An implementation of LinuxInputMethodContext which is based on X11 event loop
-// and uses GtkIMContext(gtk-immodule) as a bridge from/to underlying IMEs.
-class X11InputMethodContextImplGtk2 : public ui::LinuxInputMethodContext {
- public:
-  X11InputMethodContextImplGtk2(ui::LinuxInputMethodContextDelegate* delegate,
-                                bool is_simple);
-  ~X11InputMethodContextImplGtk2() override;
-
-  // Overriden from ui::LinuxInputMethodContext
-  bool DispatchKeyEvent(const ui::KeyEvent& key_event) override;
-  void SetCursorLocation(const gfx::Rect& rect) override;
-  void Reset() override;
-  void Focus() override;
-  void Blur() override;
-
- private:
-  // Resets the cache of X modifier keycodes.
-  // TODO(yukishiino): We should call this method whenever X keyboard mapping
-  // changes, for example when a user switched to another keyboard layout.
-  void ResetXModifierKeycodesCache();
-
-  // Constructs a GdkEventKey from a XKeyEvent and returns it.  Otherwise,
-  // returns NULL.  The returned GdkEvent must be freed by gdk_event_free.
-  GdkEvent* GdkEventFromNativeEvent(const base::NativeEvent& native_event);
-
-  // Returns true if the hardware |keycode| is assigned to a modifier key.
-  bool IsKeycodeModifierKey(unsigned int keycode) const;
-
-  // Returns true if one of |keycodes| is pressed.  |keybits| is a bit vector
-  // returned by XQueryKeymap, and |num_keys| is the number of keys in
-  // |keybits|.
-  bool IsAnyOfKeycodesPressed(const std::vector<int>& keycodes,
-                              const char* keybits,
-                              int num_keys) const;
-
-  // GtkIMContext event handlers.  They are shared among |gtk_context_simple_|
-  // and |gtk_multicontext_|.
-  CHROMEG_CALLBACK_1(X11InputMethodContextImplGtk2, void, OnCommit,
-                     GtkIMContext*, gchar*);
-  CHROMEG_CALLBACK_0(X11InputMethodContextImplGtk2, void, OnPreeditChanged,
-                     GtkIMContext*);
-  CHROMEG_CALLBACK_0(X11InputMethodContextImplGtk2, void, OnPreeditEnd,
-                     GtkIMContext*);
-  CHROMEG_CALLBACK_0(X11InputMethodContextImplGtk2, void, OnPreeditStart,
-                     GtkIMContext*);
-
-  // A set of callback functions.  Must not be NULL.
-  ui::LinuxInputMethodContextDelegate* delegate_;
-
-  // IME's input GTK context.
-  GtkIMContext* gtk_context_;
-
-  gpointer gdk_last_set_client_window_;
-
-  // Last known caret bounds relative to the screen coordinates.
-  gfx::Rect last_caret_bounds_;
-
-  // A set of hardware keycodes of modifier keys.
-  base::hash_set<unsigned int> modifier_keycodes_;
-
-  // A list of keycodes of each modifier key.
-  std::vector<int> meta_keycodes_;
-  std::vector<int> super_keycodes_;
-  std::vector<int> hyper_keycodes_;
-
-  DISALLOW_COPY_AND_ASSIGN(X11InputMethodContextImplGtk2);
-};
-
-}  // namespace libgtk2ui
-
-#endif  // CHROME_BROWSER_UI_LIBGTK2UI_X11_INPUT_METHOD_CONTEXT_IMPL_GTK2_H_