move favicon download code from chrome/ into content/

chrome/common/favicon_url.cc

Index: chrome/common/favicon_url.cc
diff --git a/chrome/common/favicon_url.cc b/chrome/common/favicon_url.cc
deleted file mode 100644
index 8b05d0efc14add60786d95c9aa94a78e1a5a06fe..0000000000000000000000000000000000000000
--- a/chrome/common/favicon_url.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2011 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/common/favicon_url.h"
-
-FaviconURL::FaviconURL()
-  : icon_type(INVALID_ICON) {
-}
-
-FaviconURL::FaviconURL(const GURL& url, IconType type)
-    : icon_url(url),
-      icon_type(type) {
-}
-
-FaviconURL::~FaviconURL() {
-}