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

chrome/browser/renderer_host/render_widget_host_view_mac.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 #import <QuartzCore/CALayer.h>
 
@@ skipping 54 matching lines @@
   // directly.
   // This object keeps the status of a composition of the renderer and returns
   // it when an input method asks for it.
   // We need to implement Objective-C methods for the NSTextInput protocol. On
   // the other hand, we need to implement a C++ method for an IPC-message
   // handler which receives input-method events from the renderer.
 
   // Represents the input-method attributes supported by this object.
   scoped_nsobject<NSArray> validAttributesForMarkedText_;
 
-  // Represents the cursor position in this view coordinate.
-  // The renderer sends the cursor position through an IPC message.
-  // We save the latest cursor position here and return it when an input
-  // methods needs it.
-  NSRect caretRect_;
-
   // Indicates if we are currently handling a key down event.
   BOOL handlingKeyDown_;
 
   // Indicates if there is any marked text.
   BOOL hasMarkedText_;
 
   // Indicates if unmarkText is called or not when handling a keyboard
   // event.
   BOOL unmarkTextCalled_;
 
@@ skipping 25 matching lines @@
 
   // Contains edit commands received by the -doCommandBySelector: method when
   // handling a key down event, not including inserting commands, eg. insertTab,
   // etc.
   EditCommands editCommands_;
 
   // The plugin for which IME is currently enabled (-1 if not enabled).
   int pluginImeIdentifier_;
 }
 
-@property(assign, nonatomic) NSRect caretRect;
-
 - (void)setCanBeKeyView:(BOOL)can;
 - (void)setTakesFocusOnlyOnMouseDown:(BOOL)b;
 - (void)setCloseOnDeactivate:(BOOL)b;
 - (void)setToolTipAtMousePoint:(NSString *)string;
 // Set frame, then notify the RenderWidgetHost that the frame has been changed,
 // but do it in a separate task, using |performSelector:withObject:afterDelay:|.
 // This stops the flickering issue in http://crbug.com/31970
 - (void)setFrameWithDeferredUpdate:(NSRect)frame;
 // Notify the RenderWidgetHost that the frame was updated so it can resize
 // its contents.
@@ skipping 226 matching lines @@
 
   // When rendering transitions from gpu to software, the gpu widget can't be
   // hidden until the software backing store has been updated. This variable is
   // set when the gpu widget needs to be hidden once a paint is completed.
   bool needs_gpu_visibility_update_after_repaint_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_