Move TrimWhitespace to the base namespace.

ui/app_list/cocoa/app_list_view_controller.mm

 // Copyright 2013 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.
 
 #import "ui/app_list/cocoa/app_list_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "skia/ext/skia_utils_mac.h"
@@ skipping 316 matching lines @@
   // Possibly handle grid navigation.
   return [appsGridController_ handleCommandBySelector:command];
 }
 
 - (void)modelTextDidChange {
   app_list::SearchBoxModel* searchBoxModel = [self searchBoxModel];
   if (!searchBoxModel || !delegate_)
     return;
 
   base::string16 query;
-  TrimWhitespace(searchBoxModel->text(), TRIM_ALL, &query);
+  base::TrimWhitespace(searchBoxModel->text(), base::TRIM_ALL, &query);
   BOOL shouldShowSearch = !query.empty();
   [self revealSearchResults:shouldShowSearch];
   if (shouldShowSearch)
     delegate_->StartSearch();
   else
     delegate_->StopSearch();
 }
 
 - (app_list::AppListModel*)appListModel {
   return [appsGridController_ model];
@@ skipping 26 matching lines @@
 
   [backgroundView_ setHidden:YES];
   signinViewController_.reset(
       [[SigninViewController alloc] initWithFrame:[backgroundView_ frame]
                                      cornerRadius:kBubbleCornerRadius
                                          delegate:signinDelegate]);
   [[self view] addSubview:[signinViewController_ view]];
 }
 
 @end