Do not show "Translate to ..." item in context menu for chrome:// and FileBrowser pages.

chrome/browser/tab_contents/render_view_context_menu.cc

 // 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.
 
 #include <algorithm>
 #include <set>
 
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 
 #include "base/command_line.h"
@@ skipping 51 matching lines @@
 #include "content/common/view_messages.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebContextMenuData.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayerAction.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/text/text_elider.h"
 #include "ui/gfx/favicon_size.h"
 #include "webkit/glue/webmenuitem.h"
 
+#ifdef FILE_MANAGER_EXTENSION
+#include "chrome/browser/extensions/file_manager_util.h"
+#endif
+
 using WebKit::WebContextMenuData;
 using WebKit::WebMediaPlayerAction;
 using WebKit::WebURL;
 using WebKit::WebString;
 
 namespace {
 
 bool IsCustomItemEnabled(const std::vector<WebMenuItem>& items, int id) {
   DCHECK(id >= IDC_CONTENT_CONTEXT_CUSTOM_FIRST &&
          id <= IDC_CONTENT_CONTEXT_CUSTOM_LAST);
@@ skipping 75 matching lines @@
             submenu);
         break;
       }
       default:
         NOTREACHED();
         break;
     }
   }
 }
 
+bool ShouldShowTranslateItem(const GURL& page_url) {
+  if (page_url.SchemeIs("chrome"))
+    return false;
+
+#ifdef FILE_MANAGER_EXTENSION
+  if (page_url.SchemeIs("chrome-extension") &&
+      page_url.DomainIs(kFileBrowserDomain))
+    return false;
+#endif
+
+  return true;
+}
+
 }  // namespace
 
 // static
 const size_t RenderViewContextMenu::kMaxExtensionItemTitleLength = 75;
 // static
 const size_t RenderViewContextMenu::kMaxSelectionTextLength = 50;
 
 // static
 bool RenderViewContextMenu::IsDevToolsURL(const GURL& url) {
   return url.SchemeIs(chrome::kChromeDevToolsScheme) &&
@@ skipping 497 matching lines @@
 
 void RenderViewContextMenu::AppendPageItems() {
   menu_model_.AddItemWithStringId(IDC_BACK, IDS_CONTENT_CONTEXT_BACK);
   menu_model_.AddItemWithStringId(IDC_FORWARD, IDS_CONTENT_CONTEXT_FORWARD);
   menu_model_.AddItemWithStringId(IDC_RELOAD, IDS_CONTENT_CONTEXT_RELOAD);
   menu_model_.AddSeparator();
   menu_model_.AddItemWithStringId(IDC_SAVE_PAGE,
                                   IDS_CONTENT_CONTEXT_SAVEPAGEAS);
   menu_model_.AddItemWithStringId(IDC_PRINT, IDS_CONTENT_CONTEXT_PRINT);
 
-  std::string locale = g_browser_process->GetApplicationLocale();
-  locale = TranslateManager::GetLanguageCode(locale);
-  string16 language = l10n_util::GetDisplayNameForLocale(locale, locale, true);
-  menu_model_.AddItem(
-      IDC_CONTENT_CONTEXT_TRANSLATE,
-      l10n_util::GetStringFUTF16(IDS_CONTENT_CONTEXT_TRANSLATE, language));
+  if (ShouldShowTranslateItem(params_.page_url)) {
+    std::string locale = g_browser_process->GetApplicationLocale();
+    locale = TranslateManager::GetLanguageCode(locale);
+    string16 language = l10n_util::GetDisplayNameForLocale(locale, locale,
+                                                           true);
+    menu_model_.AddItem(
+        IDC_CONTENT_CONTEXT_TRANSLATE,
+        l10n_util::GetStringFUTF16(IDS_CONTENT_CONTEXT_TRANSLATE, language));
+  }
 
   menu_model_.AddItemWithStringId(IDC_VIEW_SOURCE,
                                   IDS_CONTENT_CONTEXT_VIEWPAGESOURCE);
   menu_model_.AddItemWithStringId(IDC_CONTENT_CONTEXT_VIEWPAGEINFO,
                                   IDS_CONTENT_CONTEXT_VIEWPAGEINFO);
 }
 
 void RenderViewContextMenu::AppendFrameItems() {
   menu_model_.AddItemWithStringId(IDC_CONTENT_CONTEXT_RELOADFRAME,
                                   IDS_CONTENT_CONTEXT_RELOADFRAME);
@@ skipping 1134 matching lines @@
       g_browser_process->clipboard());
 }
 
 void RenderViewContextMenu::MediaPlayerActionAt(
     const gfx::Point& location,
     const WebMediaPlayerAction& action) {
   RenderViewHost* rvh = source_tab_contents_->render_view_host();
   rvh->Send(new ViewMsg_MediaPlayerActionAt(
       rvh->routing_id(), location, action));
 }