Revert r115276, it broke PanelDownloadTest.Download in interactive_ui_tests

chrome/browser/instant/instant_browsertest.cc

Index: chrome/browser/instant/instant_browsertest.cc
diff --git a/chrome/browser/instant/instant_browsertest.cc b/chrome/browser/instant/instant_browsertest.cc
index d0e5316d1f4d2bf25074aeafb421c87b5374d7e7..93f389e7ddec040f0b5dd28e25d5b76b24531516 100644
--- a/chrome/browser/instant/instant_browsertest.cc
+++ b/chrome/browser/instant/instant_browsertest.cc
@@ -314,7 +314,7 @@ IN_PROC_BROWSER_TEST_F(InstantTest, MAYBE(OnSubmitEvent)) {
 
   // We should have two entries. One corresponding to the page the user was
   // first on, and one for the search page.
-  EXPECT_EQ(2, preview_tab->GetController().entry_count());
+  EXPECT_EQ(2, preview_tab->controller().entry_count());
 
   // Check that the value is reflected and onsubmit is called.
   EXPECT_EQ("true 1 0 1 true d false defghi true 3 3",