Move code in components/safe_browsing_db and chrome/browser/s_b/ under the safe_browsing namespace.

chrome/browser/download/download_commands.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/download/download_commands.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_crx_util.h"
 #include "chrome/browser/download/download_extensions.h"
@@ skipping 171 matching lines @@
     case DISCARD:
       download_item_->Remove();
       break;
     case KEEP:
       download_item_->ValidateDangerousDownload();
       break;
     case LEARN_MORE_SCANNING: {
 #if defined(FULL_SAFE_BROWSING)
       using safe_browsing::DownloadProtectionService;
 
-      SafeBrowsingService* sb_service =
+      safe_browsing::SafeBrowsingService* sb_service =
           g_browser_process->safe_browsing_service();
       DownloadProtectionService* protection_service =
           (sb_service ? sb_service->download_protection_service() : nullptr);
       if (protection_service)
         protection_service->ShowDetailsForDownload(*download_item_,
                                                    GetBrowser());
 #else
       // Should only be getting invoked if we are using safe browsing.
       NOTREACHED();
 #endif
@@ skipping 36 matching lines @@
     is_adobe_pdf_reader_up_to_date =
         DownloadTargetDeterminer::IsAdobeReaderUpToDate();
   }
   return IsDownloadPdf() &&
          (IsAdobeReaderDefaultPDFViewer() ? is_adobe_pdf_reader_up_to_date
                                           : true);
 #elif defined(OS_MACOSX) || defined(OS_LINUX)
   return IsDownloadPdf();
 #endif
 }