Add base:: namespace to straggling string16s left in chrome/browser/ui.

chrome/browser/ui/cocoa/website_settings_bubble_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/website_settings_bubble_controller.h"
 
 #include <cmath>
 
 #import <AppKit/AppKit.h>
 
@@ skipping 368 matching lines @@
 }
 
 // Create the subviews for the website settings bubble.
 - (void)initializeContents {
   // Keeps track of the position that the next control should be drawn at.
   NSPoint controlOrigin = NSMakePoint(
       kFramePadding,
       kFramePadding + info_bubble::kBubbleArrowHeight);
 
   // Create a text field (empty for now) to show the site identity.
-  identityField_ = [self addText:string16()
+  identityField_ = [self addText:base::string16()
                         withSize:[NSFont systemFontSize]
                             bold:YES
                           toView:contentView_
                          atPoint:controlOrigin];
   controlOrigin.y +=
       NSHeight([identityField_ frame]) + kConnectionHeadlineSpacing;
 
   // Create a text field to identity status (e.g. verified, not verified).
-  identityStatusField_ = [self addText:string16()
+  identityStatusField_ = [self addText:base::string16()
                               withSize:[NSFont smallSystemFontSize]
                                   bold:NO
                                 toView:contentView_
                                atPoint:controlOrigin];
 
   // Create the tab view and its two tabs.
 
   base::scoped_nsobject<WebsiteSettingsTabSegmentedCell> cell(
       [[WebsiteSettingsTabSegmentedCell alloc] init]);
   CGFloat tabstripHeight = [cell cellSize].height;
@@ skipping 127 matching lines @@
   NSPoint textPosition = NSMakePoint(
       kFramePadding + kConnectionImageSize + kConnectionImageSpacing,
       kFramePadding);
   NSPoint imagePosition = NSMakePoint(kFramePadding, kFramePadding);
   NSSize imageSize = NSMakeSize(kConnectionImageSize, kConnectionImageSize);
 
   identityStatusIcon_ = [self addImageWithSize:imageSize
                                         toView:contentView
                                        atPoint:imagePosition];
   identityStatusDescriptionField_ =
-      [self addText:string16()
+      [self addText:base::string16()
            withSize:[NSFont smallSystemFontSize]
                bold:NO
              toView:contentView.get()
             atPoint:textPosition];
 
   separatorAfterIdentity_ = [self addSeparatorToView:contentView];
   [separatorAfterIdentity_ setAutoresizingMask:NSViewWidthSizable];
 
   connectionStatusIcon_ = [self addImageWithSize:imageSize
                                           toView:contentView
                                          atPoint:imagePosition];
   connectionStatusDescriptionField_ =
-      [self addText:string16()
+      [self addText:base::string16()
            withSize:[NSFont smallSystemFontSize]
                bold:NO
              toView:contentView.get()
             atPoint:textPosition];
   certificateInfoButton_ = nil;  // This will be created only if necessary.
   separatorAfterConnection_ = [self addSeparatorToView:contentView];
   [separatorAfterConnection_ setAutoresizingMask:NSViewWidthSizable];
 
   firstVisitIcon_ = [self addImageWithSize:imageSize
                                     toView:contentView
                                    atPoint:imagePosition];
   firstVisitHeaderField_ =
       [self addText:l10n_util::GetStringUTF16(IDS_PAGE_INFO_SITE_INFO_TITLE)
            withSize:[NSFont smallSystemFontSize]
                bold:YES
              toView:contentView.get()
             atPoint:textPosition];
   firstVisitDescriptionField_ =
-      [self addText:string16()
+      [self addText:base::string16()
            withSize:[NSFont smallSystemFontSize]
                bold:NO
              toView:contentView.get()
             atPoint:textPosition];
 
   separatorAfterFirstVisit_ = [self addSeparatorToView:contentView];
   [separatorAfterFirstVisit_ setAutoresizingMask:NSViewWidthSizable];
 
   NSString* helpButtonText = l10n_util::GetNSString(
       IDS_PAGE_INFO_HELP_CENTER_LINK);
@@ skipping 639 matching lines @@
   [bubble_controller_ setPermissionInfo:permission_info_list];
 }
 
 void WebsiteSettingsUIBridge::SetFirstVisit(const base::string16& first_visit) {
   [bubble_controller_ setFirstVisit:first_visit];
 }
 
 void WebsiteSettingsUIBridge::SetSelectedTab(TabId tab_id) {
   [bubble_controller_ setSelectedTab:tab_id];
 }