Remove non-const version of GetDefaultSearchProvider() and make all callers call the const version

chrome/browser/ui/search/instant_extended_interactive_uitest.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 <stdint.h>
 
 #include <sstream>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 161 matching lines @@
                         &submit_count_) &&
            GetStringFromJS(contents, "apiHandle.value",
                            &query_value_) &&
            GetIntFromJS(contents, "onFocusChangedCalls",
                        &on_focus_changed_calls_) &&
            GetBoolFromJS(contents, "isFocused",
                          &is_focused_) &&
            GetStringFromJS(contents, "prefetchQuery", &prefetch_query_value_);
   }
 
-  TemplateURL* GetDefaultSearchProviderTemplateURL() {
+  const TemplateURL* GetDefaultSearchProviderTemplateURL() {
     TemplateURLService* template_url_service =
         TemplateURLServiceFactory::GetForProfile(browser()->profile());
     if (template_url_service)
       return template_url_service->GetDefaultSearchProvider();
     return NULL;
   }
 
   bool AddSearchToHistory(base::string16 term, int visit_count) {
-    TemplateURL* template_url = GetDefaultSearchProviderTemplateURL();
+    const TemplateURL* template_url = GetDefaultSearchProviderTemplateURL();
     if (!template_url)
       return false;
 
     history::HistoryService* history = HistoryServiceFactory::GetForProfile(
         browser()->profile(), ServiceAccessType::EXPLICIT_ACCESS);
     GURL search(template_url->url_ref().ReplaceSearchTerms(
         TemplateURLRef::SearchTermsArgs(term),
         TemplateURLServiceFactory::GetForProfile(
             browser()->profile())->search_terms_data()));
     history->AddPageWithDetails(
@@ skipping 527 matching lines @@
   stream << "link.href = \"" << result_url.spec() << "\";";
   stream << "document.body.appendChild(link);";
   stream << "link.click();";
   EXPECT_TRUE(content::ExecuteScript(contents, stream.str()));
 
   content::WaitForLoadStop(contents);
   std::string expected_title =
       "Referrer is " + instant_url().GetWithEmptyPath().spec();
   EXPECT_EQ(ASCIIToUTF16(expected_title), contents->GetTitle());
 }