Move the fake omnibox constraints out of GoogleLandingViewController

ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_utils.h

 // 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.
 
 #ifndef IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COLLECTION_UTILS_H_
 #define IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COLLECTION_UTILS_H_
 
 #import <UIKit/UIKit.h>
 
 namespace content_suggestions {
@@ skipping 16 matching lines @@
 CGRect doodleFrame(CGFloat width, BOOL logoIsShowing);
 // Returns the proper frame for the search field inside a view with a |width|.
 // |logoIsShowing| refers to the Google logo or the doodle.
 CGRect searchFieldFrame(CGFloat width, BOOL logoIsShowing);
 // Returns the expected height of the NewTabPageHeaderView inside a view with a
 // |width|. |logoIsShowing| refers to the Google logo or the doodle.
 // |promoCanShow| represents whether a what's new promo can be displayed.
 CGFloat heightForLogoHeader(CGFloat width,
                             BOOL logoIsShowing,
                             BOOL promoCanShow);
+// Configure the |searchHintLabel| for the fake omnibox, adding it to the
+// |searchTapTarget| and constrain it.
+void configureSearchHintLabel(UILabel* searchHintLabel,
+                              UIButton* searchTapTarget,
+                              CGFloat searchFieldWidth);
+// Configure the |voiceSearchButton|, adding it to the |searchTapTarget| and
+// constraining it.
+void configureVoiceSearchButton(UIButton* voiceSearchButton,
+                                UIButton* searchTapTarget);
 
 }  // namespace content_suggestions
 
 #endif  // IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COLLECTION_UTILS_H_