Integrating Mac OS Grammar checker into Chromium.

chrome/browser/renderer_host/render_message_filter.h

Index: chrome/browser/renderer_host/render_message_filter.h
diff --git a/chrome/browser/renderer_host/render_message_filter.h b/chrome/browser/renderer_host/render_message_filter.h
index c192e8ab0cc7b5ec6d6e313eea440a07fc3619b7..ecef314be7f807f377e40d86b6f2fc978946cc6d 100644
--- a/chrome/browser/renderer_host/render_message_filter.h
+++ b/chrome/browser/renderer_host/render_message_filter.h
@@ -37,6 +37,7 @@ class NotificationsPrefsCache;
 class PpapiPluginProcessHost;
 class Profile;
 class RenderWidgetHelper;
+class TextCheckingResult;
 class URLRequestContextGetter;
 struct ViewHostMsg_CreateWindow_Params;
 struct ViewHostMsg_CreateWorker_Params;
@@ -174,6 +175,10 @@ class RenderMessageFilter : public BrowserMessageFilter,
   void OnPlatformCheckSpelling(const string16& word, int tag, bool* correct);
   void OnPlatformFillSuggestionList(const string16& word,
                                     std::vector<string16>* suggestions);
+  void OnRequestTextCheck(int route_id,
+                          int identifier,
+                          int document_tag,
+                          string16 text);

[Hironori Bono, 2011/02/09 05:43:51]

nit: 'string16' -> 'const string16&'?

   void OnGetDocumentTag(IPC::Message* reply_msg);
   void OnDocumentWithTagClosed(int tag);
   void OnShowSpellingPanel(bool show);