Reload Local NTP on default search provider change.

chrome/browser/ui/search/instant_page_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/search/instant_page.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/search/search_tab_helper.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 111 matching lines @@
 
 TEST_F(InstantPageTest, IsLocal) {
   page.reset(new FakePage(&delegate, "", false));
   EXPECT_FALSE(page->supports_instant());
   EXPECT_FALSE(page->IsLocal());
   page->SetContents(web_contents());
   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
   EXPECT_TRUE(page->IsLocal());
   NavigateAndCommit(GURL("http://example.com"));
   EXPECT_FALSE(page->IsLocal());
-  NavigateAndCommit(GURL(chrome::kChromeSearchLocalGoogleNtpUrl));
-  EXPECT_TRUE(page->IsLocal());
 }
 
 TEST_F(InstantPageTest, DetermineIfPageSupportsInstant_Local) {
   page.reset(new FakePage(&delegate, "", false));
   EXPECT_FALSE(page->supports_instant());
   page->SetContents(web_contents());
   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
   EXPECT_TRUE(page->IsLocal());
   EXPECT_CALL(delegate, InstantSupportDetermined(web_contents(), true))
       .Times(1);
@@ skipping 205 matching lines @@
   page->sender()->SetInputInProgress(false);
   EXPECT_FALSE(MessageWasSent(ChromeViewMsg_SearchBoxSetInputInProgress::ID));
 
   page->sender()->SendMostVisitedItems(std::vector<InstantMostVisitedItem>());
   EXPECT_FALSE(MessageWasSent(
       ChromeViewMsg_SearchBoxMostVisitedItemsChanged::ID));
 
   page->sender()->ToggleVoiceSearch();
   EXPECT_FALSE(MessageWasSent(ChromeViewMsg_SearchBoxToggleVoiceSearch::ID));
 }