Moves overscroll code out of the ios_internal namespace.

ios/chrome/browser/ui/fullscreen_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/fullscreen_controller.h"
 
 #include <cmath>
 
 #include "base/logging.h"
 #include "base/mac/objc_property_releaser.h"
@@ skipping 280 matching lines @@
                    name:ios_internal::kSideSwipeWillStartNotification
                  object:nil];
     [center addObserver:self
                selector:@selector(decrementFullScreenLock)
                    name:ios_internal::kSideSwipeDidStopNotification
                  object:nil];
     // TODO(jbbegue): Evaluate using a listener instead of a notification
     // crbug/451373.
     [center addObserver:self
                selector:@selector(overscrollActionsWillStart)
-                   name:ios_internal::kOverscollActionsWillStart
+                   name:kOverscrollActionsWillStart
                  object:nil];
     [center addObserver:self
                selector:@selector(overscrollActionsDidEnd)
-                   name:ios_internal::kOverscollActionsDidEnd
+                   name:kOverscrollActionsDidEnd
                  object:nil];
     [self moveHeaderToRestingPosition:YES];
   }
   return self;
 }
 
 - (void)invalidate {
   delegate_ = nil;
   navigationManager_ = NULL;
   [self.scrollViewProxy removeObserver:self];
@@ skipping 503 matching lines @@
   overscrollActionsInProgress_ = NO;
 }
 
 #pragma mark - Used for testing
 
 + (void)setEnabledForTests:(BOOL)enabled {
   gEnabledForTests = enabled;
 }
 
 @end