Implement the Instant extended API startMargin, endMargin, and rtl properties and the onmarginchang…

chrome/browser/instant/instant_loader.h

Index: chrome/browser/instant/instant_loader.h
diff --git a/chrome/browser/instant/instant_loader.h b/chrome/browser/instant/instant_loader.h
index c701aa6dc11336f71d49f24dbf55ce729d208a1a..66eecc0db357beafae9a03c6c38513e9b8d9c358 100644
--- a/chrome/browser/instant/instant_loader.h
+++ b/chrome/browser/instant/instant_loader.h
@@ -93,7 +93,8 @@ class InstantLoader : public InstantClient::Delegate,
               bool verbatim);
   void Submit(const string16& text);
   void Cancel(const string16& text);
-  void SetOmniboxBounds(const gfx::Rect& bounds);
+  void SetPopupBounds(const gfx::Rect& bounds);
+  void SetMarginSize(int start, int end);
   void SendAutocompleteResults(
       const std::vector<InstantAutocompleteResult>& results);
   void UpOrDownKeyPressed(int count);