Move downloads API to extensions namespace

chrome/browser/extensions/api/downloads/downloads_api.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.
 
 #include "chrome/browser/extensions/api/downloads/downloads_api.h"
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 95 matching lines @@
 const char kTooManyListeners[] = "Each extension may have at most one "
   "onDeterminingFilename listener between all of its renderer execution "
   "contexts.";
 const char kUnexpectedDeterminer[] = "Unexpected determineFilename call";
 const char kUserGesture[] = "User gesture required";
 
 }  // namespace download_extension_errors
 
 namespace errors = download_extension_errors;
 
+namespace extensions {
+
 namespace {
 
 namespace downloads = extensions::api::downloads;
 
 // Default icon size for getFileIcon() in pixels.
 const int  kDefaultIconSize = 32;
 
 // Parameter keys
 const char kByExtensionIdKey[] = "byExtensionId";
 const char kByExtensionNameKey[] = "byExtensionName";
@@ skipping 1767 matching lines @@
 void ExtensionDownloadsEventRouter::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const extensions::Extension* extension,
     extensions::UnloadedExtensionInfo::Reason reason) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   std::set<const extensions::Extension*>::iterator iter =
       shelf_disabling_extensions_.find(extension);
   if (iter != shelf_disabling_extensions_.end())
     shelf_disabling_extensions_.erase(iter);
 }
+
+}  // namespace extensions