[Icons NTP] Refactoring: Moving FallbackIconService to components\favicon\core

chrome/browser/ui/webui/fallback_icon_source.cc

 // Copyright 2015 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/webui/fallback_icon_source.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/search/instant_io_context.h"
 #include "chrome/common/favicon/fallback_icon_url_parser.h"
 #include "chrome/common/url_constants.h"
 #include "grit/platform_locale_settings.h"
 #include "net/url_request/url_request.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/favicon_size.h"
 #include "url/gurl.h"
 
 FallbackIconSource::FallbackIconSource() {
   std::vector<std::string> font_list;
 #if defined(OS_CHROMEOS)
   font_list.push_back("Noto Sans");
 #elif defined(OS_IOS)
   font_list.push_back("Helvetica Neue");
 #else
   font_list.push_back(l10n_util::GetStringUTF8(IDS_SANS_SERIF_FONT_FAMILY));
 #endif
-  fallback_icon_service_.reset(
-      new favicon_base::FallbackIconService(font_list));
+  fallback_icon_service_.reset(new FallbackIconService(font_list));
 }
 
 FallbackIconSource::~FallbackIconSource() {
 }
 
 std::string FallbackIconSource::GetSource() const {
   return chrome::kChromeUIFallbackIconHost;
 }
 
 void FallbackIconSource::StartDataRequest(
@@ skipping 37 matching lines @@
   return URLDataSource::ShouldServiceRequest(request);
 }
 
 void FallbackIconSource::SendDefaultResponse(
     const content::URLDataSource::GotDataCallback& callback) {
   std::vector<unsigned char> bitmap_data =
       fallback_icon_service_->RenderFallbackIconBitmap(
           GURL(), gfx::kFaviconSize, favicon_base::FallbackIconStyle());
   callback.Run(base::RefCountedBytes::TakeVector(&bitmap_data));
 }