Integrating Mac OS Grammar checker into Chromium.

chrome/renderer/spellchecker/spellcheck.h

Index: chrome/renderer/spellchecker/spellcheck.h
diff --git a/chrome/renderer/spellchecker/spellcheck.h b/chrome/renderer/spellchecker/spellcheck.h
index 42dde8722326fa528464296e3dd2f1f04e1df042..70dda4629aca624ea14156f62dbb13a2d0b364bc 100644
--- a/chrome/renderer/spellchecker/spellcheck.h
+++ b/chrome/renderer/spellchecker/spellcheck.h
@@ -65,6 +65,12 @@ class SpellCheck {
   // |hunspell_| has been initialized.
   void WordAdded(const std::string& word);
 
+  // Returns true if the spellchecker delegate checking to a system-provided
+  // checker on the browser process.
+  bool is_using_platform_spelling_engine() const {
+    return is_using_platform_spelling_engine_;
+  }
+
  private:
   // Initializes the Hunspell dictionary, or does nothing if |hunspell_| is
   // non-null. This blocks.