Persist the Instant API to committed search result pages.

chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm

Index: chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm
diff --git a/chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm b/chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm
index eb8d1b30cdc9b98f2c6c9a0324aaeb6f2ba8c171..d915d63a7d589ee1c798b74655c50024bf40e572 100644
--- a/chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm
+++ b/chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm
@@ -7,7 +7,6 @@
 #include "chrome/browser/instant/instant_model.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/tab_contents/previewable_contents_controller.h"
-#include "chrome/browser/ui/tab_contents/tab_contents.h"
 
 InstantPreviewControllerMac::InstantPreviewControllerMac(
     Browser* browser,
@@ -25,7 +24,7 @@ void InstantPreviewControllerMac::PreviewStateChanged(
     const InstantModel& model) {
   if (model.mode().is_search_suggestions()) {
     // TODO(dhollowa): Needs height and units implementation on Mac.
-    [preview_ showPreview:model.GetPreviewContents()->web_contents()];
+    [preview_ showPreview:model.GetPreviewContents()];
   } else {
     [preview_ hidePreview];
   }