SearchEngineTabHelper: added delegate_ member initializer to constructor.

chrome/browser/ui/search_engines/search_engine_tab_helper.cc

 // Copyright (c) 2012 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_engines/search_engine_tab_helper.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_fetcher_factory.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper_delegate.h"
@@ skipping 78 matching lines @@
   IPC_BEGIN_MESSAGE_MAP(SearchEngineTabHelper, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PageHasOSDD, OnPageHasOSDD)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 SearchEngineTabHelper::SearchEngineTabHelper(WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
+      delegate_(nullptr),
       weak_ptr_factory_(this) {
   DCHECK(web_contents);
 }
 
 void SearchEngineTabHelper::OnPageHasOSDD(
     const GURL& page_url,
     const GURL& osdd_url,
     const search_provider::OSDDType& msg_provider_type) {
   // Checks to see if we should generate a keyword based on the OSDD, and if
   // necessary uses TemplateURLFetcher to download the OSDD and create a
@@ skipping 110 matching lines @@
   // the favicon url wasn't obtained before the load started. This assumes the
   // latter.
   // TODO(sky): Need a way to set the favicon that doesn't involve generating
   // its url.
   data.favicon_url = current_favicon.is_valid() ?
       current_favicon : TemplateURL::GenerateFaviconURL(params.referrer.url);
   data.safe_for_autoreplace = true;
   data.input_encodings.push_back(params.searchable_form_encoding);
   url_service->Add(new TemplateURL(data));
 }