[Mac] Implement the system dictionary popup by implementing NSTextInput methods.

content/browser/renderer_host/render_widget_host.h

 // Copyright (c) 2011 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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #pragma once
 
 #include <deque>
 #include <string>
@@ skipping 13 matching lines @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextInputType.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/surface/transport_dib.h"
 
 namespace gfx {
 class Rect;
 }
 
+namespace ui {
+class Range;
+}
+
 namespace WebKit {
 class WebInputEvent;
 class WebMouseEvent;
 struct WebCompositionUnderline;
 struct WebScreenInfo;
 }
 
 class BackingStore;
 class PaintObserver;
 class RenderProcessHost;
@@ skipping 424 matching lines @@
   void OnMsgRequestMove(const gfx::Rect& pos);
   void OnMsgPaintAtSizeAck(int tag, const gfx::Size& size);
   void OnMsgUpdateRect(const ViewHostMsg_UpdateRect_Params& params);
   void OnMsgInputEventAck(const IPC::Message& message);
   virtual void OnMsgFocus();
   virtual void OnMsgBlur();
 
   void OnMsgSetCursor(const WebCursor& cursor);
   void OnMsgImeUpdateTextInputState(WebKit::WebTextInputType type,
                                     const gfx::Rect& caret_rect);
+  void OnMsgImeCompositionRangeChanged(const ui::Range& range);
   void OnMsgImeCancelComposition();
 
   void OnMsgDidActivateAcceleratedCompositing(bool activated);
 
 #if defined(OS_MACOSX)
   void OnMsgGetScreenInfo(gfx::NativeViewId view,
                           WebKit::WebScreenInfo* results);
   void OnMsgGetWindowRect(gfx::NativeViewId window_id, gfx::Rect* results);
   void OnMsgGetRootWindowRect(gfx::NativeViewId window_id, gfx::Rect* results);
   void OnMsgPluginFocusChanged(bool focused, int plugin_id);
@@ skipping 182 matching lines @@
 
   std::vector<gfx::PluginWindowHandle> deferred_plugin_handles_;
 
   // The last scroll offset of the render widget.
   gfx::Point last_scroll_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_