Added a check in Searchbox::OnMostVisitedChanged() to prevent duplicate notifications regarding mos…

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

Index: chrome/browser/ui/search/instant_extended_interactive_uitest.cc
diff --git a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
index fc9684148b8dcea0c0c9ea21fecd6909c351467c..d0253354a365804b68305eb3d19c04cc3a8399e7 100644
--- a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
+++ b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
@@ -2885,7 +2885,7 @@ IN_PROC_BROWSER_TEST_F(InstantExtendedTest, NoMostVisitedChangedOnTabSwitch) {
   content::WebContents* active_tab =
       browser()->tab_strip_model()->GetActiveWebContents();
   EXPECT_TRUE(UpdateSearchState(active_tab));
-  EXPECT_EQ(2, on_most_visited_change_calls_);
+  EXPECT_EQ(1, on_most_visited_change_calls_);
 
   // Activate the previous tab.
   browser()->tab_strip_model()->ActivateTabAt(0, false);
@@ -2896,5 +2896,5 @@ IN_PROC_BROWSER_TEST_F(InstantExtendedTest, NoMostVisitedChangedOnTabSwitch) {
   // Confirm that new tab got no onmostvisitedchanged event.
   active_tab = browser()->tab_strip_model()->GetActiveWebContents();
   EXPECT_TRUE(UpdateSearchState(active_tab));
-  EXPECT_EQ(2, on_most_visited_change_calls_);
+  EXPECT_EQ(1, on_most_visited_change_calls_);
 }