InstantExtended: Nuke InstantOverlayController.

chrome/common/instant_types.h

Index: chrome/common/instant_types.h
diff --git a/chrome/common/instant_types.h b/chrome/common/instant_types.h
index c65921b4c80b47b007778b66e6a9bf41a16122f0..c88e1a9dd342a674424a9472491948da3ab4386d 100644
--- a/chrome/common/instant_types.h
+++ b/chrome/common/instant_types.h
@@ -112,15 +112,6 @@ struct InstantAutocompleteResult {
 typedef std::pair<InstantRestrictedID, InstantAutocompleteResult>
     InstantAutocompleteResultIDPair;
 
-// How to interpret the size (height or width) of the Instant overlay (preview).
-enum InstantSizeUnits {
-  // As an absolute number of pixels.
-  INSTANT_SIZE_PIXELS,
-
-  // As a percentage of the height or width of the containing (parent) view.
-  INSTANT_SIZE_PERCENT,
-};
-
 // The alignment of the theme background image.
 enum ThemeBackgroundImageAlignment {
   THEME_BKGRND_IMAGE_ALIGN_CENTER,