Moving the iOS directory to be remoting top level.

remoting/ios/app/host_collection_view_controller.mm

 // Copyright 2017 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.
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
-#import "remoting/client/ios/app/host_collection_view_controller.h"
+#import "remoting/ios/app/host_collection_view_controller.h"
 
 #import "ios/third_party/material_components_ios/src/components/Ink/src/MaterialInk.h"
 #import "ios/third_party/material_components_ios/src/components/NavigationBar/src/MaterialNavigationBar.h"
 #import "ios/third_party/material_components_ios/src/components/ShadowElevations/src/MaterialShadowElevations.h"
 #import "ios/third_party/material_components_ios/src/components/ShadowLayer/src/MaterialShadowLayer.h"
 
 static NSString* const kReusableIdentifierItem =
     @"remotingHostCollectionViewControllerItem";
 
 static CGFloat kHostCollectionViewControllerCellHeight = 70.f;
@@ skipping 123 matching lines @@
   // Use a custom shadow under the flexible header.
   MDCShadowLayer* shadowLayer = [MDCShadowLayer layer];
   [headerView setShadowLayer:shadowLayer
       intensityDidChangeBlock:^(CALayer* layer, CGFloat intensity) {
         CGFloat elevation = MDCShadowElevationAppBar * intensity;
         [(MDCShadowLayer*)layer setElevation:elevation];
       }];
 }
 
 @end