content: Extract url utility functions into url_utils.{h,cc}

chrome/browser/download/download_util.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.
 //
 // Download utility implementation
 
 #define _USE_MATH_DEFINES  // For VC++ to get M_PI. This has to be first.
 
 #include "chrome/browser/download/download_util.h"
 
@@ skipping 441 matching lines @@
 
   if (time_remaining.empty()) {
     base::i18n::AdjustStringForLocaleDirection(&amount);
     return l10n_util::GetStringFUTF16(
         IDS_DOWNLOAD_TAB_PROGRESS_STATUS_TIME_UNKNOWN, speed_text, amount);
   }
   return l10n_util::GetStringFUTF16(IDS_DOWNLOAD_TAB_PROGRESS_STATUS,
                                     speed_text, amount, time_remaining);
 }
 
-bool IsSavableURL(const GURL& url) {
-  for (int i = 0; content::GetSavableSchemes()[i] != NULL; ++i) {
-    if (url.SchemeIs(content::GetSavableSchemes()[i])) {
-      return true;
-    }
-  }
-  return false;
-}
-
 void RecordShelfClose(int size, int in_progress, bool autoclose) {
   static const int kMaxShelfSize = 16;
   if (autoclose) {
     UMA_HISTOGRAM_ENUMERATION("Download.ShelfSizeOnAutoClose",
                               size,
                               kMaxShelfSize);
     UMA_HISTOGRAM_ENUMERATION("Download.ShelfInProgressSizeOnAutoClose",
                               in_progress,
                               kMaxShelfSize);
   } else {
@@ skipping 10 matching lines @@
   UMA_HISTOGRAM_ENUMERATION(
       "Download.CountsChrome", type, CHROME_DOWNLOAD_COUNT_TYPES_LAST_ENTRY);
 }
 
 void RecordDownloadSource(ChromeDownloadSource source) {
   UMA_HISTOGRAM_ENUMERATION(
       "Download.SourcesChrome", source, CHROME_DOWNLOAD_SOURCE_LAST_ENTRY);
 }
 
 }  // namespace download_util