Moves overscroll code out of the ios_internal namespace.

ios/chrome/browser/ui/overscroll_actions/overscroll_actions_controller.h

 // Copyright 2015 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.
 
 #ifndef IOS_CHROME_BROWSER_UI_OVERSCROLL_ACTIONS_OVERSCROLL_ACTIONS_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_OVERSCROLL_ACTIONS_OVERSCROLL_ACTIONS_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h"
 #import "ios/chrome/browser/ui/util/relaxed_bounds_constraints_hittest.h"
 #import "ios/web/public/web_state/crw_web_controller_observer.h"
 #import "ios/web/public/web_state/crw_web_view_scroll_view_proxy.h"
 
 @class OverscrollActionsController;
 
-namespace ios_internal {
 // Describe the current state of the overscroll action controller.
 enum class OverscrollState {
   NO_PULL_STARTED,  // No pull started.
   STARTED_PULLING,  // Started pulling.
   ACTION_READY      // Ready to take action on pull end.
 };
 
 // Notification sent when the overscroll actions controller will start
 // displaying the UI.
-extern NSString* const kOverscollActionsWillStart;
+extern NSString* const kOverscrollActionsWillStart;
 // Notification sent when the overscroll actions controller did stop displaying
 // the UI.
-extern NSString* const kOverscollActionsDidEnd;
-}  // namespace ios_internal
+extern NSString* const kOverscrollActionsDidEnd;
 
 // The delegate of the OverscrollActionsController, it provides the headerView
 // on which the OverscrollActionsView will be added.
 // The scrollView is used to control the state of the
 // OverscrollActionsController.
 // The delegate must implement the shouldAllowOverscrollActions method in order
 // to allow overscroll actions.
 // Finally the overscrollActionsController:didTriggerActionAtIndex: method is
 // called when an action has been triggered.
 @protocol OverscrollActionsControllerDelegate<NSObject>
 // Called when an action has been triggered.
 // The action index holds the current triggered action which are numbered left
 // to right.
 - (void)overscrollActionsController:(OverscrollActionsController*)controller
-                   didTriggerAction:(ios_internal::OverscrollAction)action;
+                   didTriggerAction:(OverscrollAction)action;
 // Should return true when the delegate wants to enable the overscroll actions.
 - (BOOL)shouldAllowOverscrollActions;
 // The toolbar snapshot view that will be used to fade in/out the toolbar.
 // This snapshot will be animated when performing the pull down animation
 // revealing the actions.
 - (UIView*)toolbarSnapshotView;
 // The header view over which the overscroll action view will be added.
 - (UIView<RelaxedBoundsConstraintsHitTestSupport>*)headerView;
 // Called to retrieve the top inset added to the scrollview for the header.
 - (CGFloat)overscrollActionsControllerHeaderInset:
@@ skipping 26 matching lines @@
 // configured to use the scrollview from the CRWWebControllerObserver.
 - (instancetype)init;
 // Designated initializer, when initialized with a scrollview, the
 // OverscrollActionsController will not use the CRWWebControllerObserver to
 // configure the scrollview, it will directly use the passed scrollview.
 - (instancetype)initWithScrollView:(UIScrollView*)scrollView;
 
 // The scrollview the overscroll controller will control.
 @property(nonatomic, readonly) UIScrollView* scrollView;
 // The current state of the overscroll controller.
-@property(nonatomic, assign, readonly)
-    ios_internal::OverscrollState overscrollState;
+@property(nonatomic, assign, readonly) OverscrollState overscrollState;
 // The delegate must be set for the OverscrollActionsController to work
 // properly.
 @property(nonatomic, assign) id<OverscrollActionsControllerDelegate> delegate;
 
 // Used to clear state maintained by the controller and de-register from
 // notifications. After this call the controller ceases to function and will
 // clear its delegate.
 - (void)invalidate;
 // Force the controller to switch to NO_PULL_STARTED state.
 - (void)clear;
 // Disabling overscroll actions will stop showing the overscroll actions view on
 // top of the header when the user is pulling the webview's scrollview.
 // Disable/enableOverscrollActions method calls are ref counted, this means
 // that calls to disable must be compensated by the same amount of call to
 // enable in order to reenable overscroll actions.
 - (void)disableOverscrollActions;
 // Enabling overscroll actions will reverse the effect of a call to
 // -disableOverscrollActions.
 - (void)enableOverscrollActions;
 // Sets the style of the overscroll actions.
-- (void)setStyle:(ios_internal::OverscrollStyle)style;
+- (void)setStyle:(OverscrollStyle)style;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_OVERSCROLL_ACTIONS_OVERSCROLL_ACTIONS_CONTROLLER_H_