Moves overscroll code out of the ios_internal namespace.

ios/chrome/browser/ui/ntp/google_landing_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 "ios/chrome/browser/ui/ntp/google_landing_controller.h"
 
 #include <algorithm>
 
 #include "base/i18n/case_conversion.h"
 #import "base/ios/weak_nsobject.h"
@@ skipping 931 matching lines @@
   [_headerView updateSearchField:_searchTapTarget
                 withInitialFrame:[self searchFieldFrame]
               subviewConstraints:constraints
                        forOffset:[_mostVisitedView contentOffset].y];
 }
 
 - (void)addOverscrollActions {
   if (!IsIPadIdiom()) {
     _overscrollActionsController.reset([[OverscrollActionsController alloc]
         initWithScrollView:_mostVisitedView]);
-    [_overscrollActionsController
-        setStyle:ios_internal::OverscrollStyle::NTP_NON_INCOGNITO];
+    [_overscrollActionsController setStyle:OverscrollStyle::NTP_NON_INCOGNITO];
     [_overscrollActionsController setDelegate:self];
   }
 }
 
 // Check to see if the promo label should be hidden.
 - (void)hideWhatsNewIfNecessary {
   if (![_promoHeaderView isHidden] && _notification_promo &&
       !_notification_promo->CanShow()) {
     [_promoHeaderView setHidden:YES];
     _notification_promo.reset();
@@ skipping 716 matching lines @@
   return _scrolledToTop;
 }
 
 - (BOOL)animateHeader {
   return _animateHeader;
 }
 
 #pragma mark - OverscrollActionsControllerDelegate
 
 - (void)overscrollActionsController:(OverscrollActionsController*)controller
-                   didTriggerAction:(ios_internal::OverscrollAction)action {
+                   didTriggerAction:(OverscrollAction)action {
   switch (action) {
-    case ios_internal::OverscrollAction::NEW_TAB: {
+    case OverscrollAction::NEW_TAB: {
       base::scoped_nsobject<GenericChromeCommand> command(
           [[GenericChromeCommand alloc] initWithTag:IDC_NEW_TAB]);
       [[self view] chromeExecuteCommand:command];
     } break;
-    case ios_internal::OverscrollAction::CLOSE_TAB: {
+    case OverscrollAction::CLOSE_TAB: {
       base::scoped_nsobject<GenericChromeCommand> command(
           [[GenericChromeCommand alloc] initWithTag:IDC_CLOSE_TAB]);
       [[self view] chromeExecuteCommand:command];
     } break;
-    case ios_internal::OverscrollAction::REFRESH:
+    case OverscrollAction::REFRESH:
       [self reload];
       break;
-    case ios_internal::OverscrollAction::NONE:
+    case OverscrollAction::NONE:
       NOTREACHED();
       break;
   }
 }
 
 - (BOOL)shouldAllowOverscrollActions {
   return YES;
 }
 
 - (UIView*)toolbarSnapshotView {
@@ skipping 25 matching lines @@
   if (!view) {
     return nil;
   }
   if ([view isKindOfClass:aClass]) {
     return view;
   }
   return [self nearestAncestorOfView:[view superview] withClass:aClass];
 }
 
 @end