Fix translate namespace

chrome/browser/ui/cocoa/infobars/translate_message_infobar_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.
 
 #include "chrome/browser/ui/cocoa/infobars/translate_message_infobar_controller.h"
 
 #include "base/strings/sys_string_conversions.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_utilities.h"
 
 using InfoBarUtilities::MoveControl;
 
 @implementation TranslateMessageInfobarController
 
 - (void)layout {
   [self removeOkCancelButtons];
   MoveControl(
       label1_, translateMessageButton_, spaceBetweenControls_ * 2, true);
-  TranslateInfoBarDelegate* delegate = [self delegate];
+  translate::TranslateInfoBarDelegate* delegate = [self delegate];
   if ([self delegate]->ShouldShowMessageInfoBarButton()) {
     base::string16 buttonText = delegate->GetMessageInfoBarButtonText();
     [translateMessageButton_ setTitle:base::SysUTF16ToNSString(buttonText)];
     [translateMessageButton_ sizeToFit];
   }
 }
 
 - (void)adjustOptionsButtonSizeAndVisibilityForView:(NSView*)lastView {
   // Do nothing, but stop the options button from showing up.
 }
 
 - (NSArray*)visibleControls {
   NSMutableArray* visibleControls =
       [NSMutableArray arrayWithObjects:label1_.get(), nil];
   if ([self delegate]->ShouldShowMessageInfoBarButton())
     [visibleControls addObject:translateMessageButton_];
   return visibleControls;
 }
 
 - (void)loadLabelText {
-  TranslateInfoBarDelegate* delegate = [self delegate];
+  translate::TranslateInfoBarDelegate* delegate = [self delegate];
   base::string16 messageText = delegate->GetMessageInfoBarText();
   NSString* string1 = base::SysUTF16ToNSString(messageText);
   [label1_ setStringValue:string1];
 }
 
 - (bool)verifyLayout {
   if (![optionsPopUp_ isHidden])
     return false;
   return [super verifyLayout];
 }
 
 - (BOOL)shouldShowOptionsPopUp {
   return NO;
 }
 
 @end