Added "Look Up in Dictionary" item to context menu for Mac.

chrome/browser/tab_contents/render_view_context_menu.cc

 // Copyright (c) 2010 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.
 
 #include <algorithm>
 #include <set>
 
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 
 #include "app/l10n_util.h"
@@ skipping 382 matching lines @@
 
   if (has_selection)
     AppendSearchProvider();
 
   if (!is_devtools)
     AppendAllExtensionItems();
 
   AppendDeveloperItems();
 }
 
+void RenderViewContextMenu::LookUpInDictionary() {
+  // Used only in the Mac port.
+  NOTREACHED();
+}
+
 bool RenderViewContextMenu::AppendCustomItems() {
   std::vector<WebMenuItem>& custom_items = params_.custom_items;
   for (size_t i = 0; i < custom_items.size(); ++i) {
     DCHECK(IDC_CONTENT_CONTEXT_CUSTOM_FIRST + custom_items[i].action <
         IDC_CONTENT_CONTEXT_CUSTOM_LAST);
     if (custom_items[i].type == WebMenuItem::SEPARATOR) {
       menu_model_.AddSeparator();
     } else {
       menu_model_.AddItem(
           custom_items[i].action + IDC_CONTENT_CONTEXT_CUSTOM_FIRST,
@@ skipping 515 matching lines @@
       return params_.writing_direction_default &
           WebContextMenuData::CheckableMenuItemEnabled;
     case IDC_WRITING_DIRECTION_RTL:
       return params_.writing_direction_right_to_left &
           WebContextMenuData::CheckableMenuItemEnabled;
     case IDC_WRITING_DIRECTION_LTR:
       return params_.writing_direction_left_to_right &
           WebContextMenuData::CheckableMenuItemEnabled;
     case IDC_WRITING_DIRECTION_MENU:
       return true;
+    case IDC_CONTENT_CONTEXT_LOOK_UP_IN_DICTIONARY:
+      // This is OK because the menu is not shown when it isn't
+      // appropriate.
+      return true;
 #elif defined(OS_POSIX)
     // TODO(suzhe): this should not be enabled for password fields.
     case IDC_INPUT_METHODS_MENU:
       return true;
 #endif
 
     case IDC_SPELLCHECK_MENU:
       return true;
 
     default:
@@ skipping 26 matching lines @@
 #if defined(OS_MACOSX)
     if (id == IDC_WRITING_DIRECTION_DEFAULT)
       return params_.writing_direction_default &
           WebContextMenuData::CheckableMenuItemChecked;
     if (id == IDC_WRITING_DIRECTION_RTL)
       return params_.writing_direction_right_to_left &
           WebContextMenuData::CheckableMenuItemChecked;
     if (id == IDC_WRITING_DIRECTION_LTR)
       return params_.writing_direction_left_to_right &
           WebContextMenuData::CheckableMenuItemChecked;
+    if (id == IDC_CONTENT_CONTEXT_LOOK_UP_IN_DICTIONARY)
+      return false;
 #endif  // OS_MACOSX
 
   // Check box for 'Check the Spelling of this field'.
   if (id == IDC_CHECK_SPELLING_OF_THIS_FIELD) {
     return (params_.spellcheck_enabled &&
             profile_->GetPrefs()->GetBoolean(prefs::kEnableSpellCheck));
   }
 
   // Don't bother getting the display language vector if this isn't a spellcheck
   // language.
@@ skipping 322 matching lines @@
       break;
     case IDC_WRITING_DIRECTION_RTL:
     case IDC_WRITING_DIRECTION_LTR: {
       WebKit::WebTextDirection dir = WebKit::WebTextDirectionLeftToRight;
       if (id == IDC_WRITING_DIRECTION_RTL)
         dir = WebKit::WebTextDirectionRightToLeft;
       source_tab_contents_->render_view_host()->UpdateTextDirection(dir);
       source_tab_contents_->render_view_host()->NotifyTextDirection();
       break;
     }
+    case IDC_CONTENT_CONTEXT_LOOK_UP_IN_DICTIONARY:
+      LookUpInDictionary();
+      break;
 #endif  // OS_MACOSX
 
     default:
       NOTREACHED();
       break;
   }
 }
 
 bool RenderViewContextMenu::IsDevCommandEnabled(int id) const {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
@@ skipping 76 matching lines @@
       UTF8ToWide(profile_->GetPrefs()->GetString(prefs::kAcceptLanguages)),
       g_browser_process->clipboard());
 }
 
 void RenderViewContextMenu::MediaPlayerActionAt(
     const gfx::Point& location,
     const WebMediaPlayerAction& action) {
   source_tab_contents_->render_view_host()->MediaPlayerActionAt(
       location, action);
 }