Integrating Mac OS Grammar checker into Chromium.

chrome/browser/spellchecker_platform_engine.h

Index: chrome/browser/spellchecker_platform_engine.h
diff --git a/chrome/browser/spellchecker_platform_engine.h b/chrome/browser/spellchecker_platform_engine.h
index edc8f3108a59bde8bb01e7bab5e927fb2d89cda1..1f192afa63c96b006da1d0eb1cf527026aaa091a 100644
--- a/chrome/browser/spellchecker_platform_engine.h
+++ b/chrome/browser/spellchecker_platform_engine.h
@@ -12,8 +12,11 @@
 #include <string>
 #include <vector>
 
+#include "base/callback.h"
 #include "base/string16.h"
 
+class BrowserMessageFilter;
+
 namespace SpellCheckerPlatform {
 
 // Get the languages supported by the platform spellchecker and store them in
@@ -81,6 +84,15 @@ void IgnoreWord(const string16& word);
 // document can now be forgotten.
 void CloseDocumentWithTag(int tag);
 
+// Requests an asyncronous spell and grammar checking.
+// The result is returned to an IPC message to |destination| thus it should
+// not be null.
+void RequestTextCheck(int route_id,
+                      int identifier,
+                      int document_tag,
+                      const string16& text,
+                      BrowserMessageFilter* destination);
+
 }  // namespace SpellCheckerPlatform
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_PLATFORM_ENGINE_H_