Fix color of looking glass when searching on remote NTP.

components/toolbar/toolbar_model_impl.cc

 // Copyright 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 "components/toolbar/toolbar_model_impl.h"
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
@@ skipping 80 matching lines @@
   return delegate_->GetURL(&url) ? url : GURL(url::kAboutBlankURL);
 }
 
 bool ToolbarModelImpl::WouldPerformSearchTermReplacement(
     bool ignore_editing) const {
   return !GetSearchTerms(ignore_editing).empty();
 }
 
 SecurityStateModel::SecurityLevel ToolbarModelImpl::GetSecurityLevel(
     bool ignore_editing) const {
-  // When editing, assume no security style.
-  return (input_in_progress() && !ignore_editing)
+  // When editing or empty, assume no security style.
+  return ((input_in_progress() && !ignore_editing) || !ShouldDisplayURL())
              ? SecurityStateModel::NONE
              : delegate_->GetSecurityLevel();
 }
 
 int ToolbarModelImpl::GetIcon() const {
   switch (GetSecurityLevel(false)) {
     case SecurityStateModel::NONE:
       return IDR_LOCATION_BAR_HTTP;
     case SecurityStateModel::EV_SECURE:
     case SecurityStateModel::SECURE:
@@ skipping 53 matching lines @@
 bool ToolbarModelImpl::ShouldDisplayURL() const {
   return delegate_->ShouldDisplayURL();
 }
 
 base::string16 ToolbarModelImpl::GetSearchTerms(bool ignore_editing) const {
   if (!url_replacement_enabled() || (input_in_progress() && !ignore_editing))
     return base::string16();
 
   return delegate_->GetSearchTerms(GetSecurityLevel(ignore_editing));
 }