[ios] Move ToolsMenuConfiguration to shared.

ios/chrome/browser/ui/tools_menu/tools_menu_configuration.mm

-// Copyright 2016 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/tools_menu/tools_menu_configuration.h"
-
-#import "base/ios/weak_nsobject.h"
-#import "base/logging.h"
-#import "ios/chrome/browser/ui/reading_list/reading_list_menu_notifier.h"
-#include "ios/web/public/user_agent.h"
-
-@implementation ToolsMenuConfiguration {
-  base::WeakNSObject<UIView> _displayView;
-  base::WeakNSObject<UIButton> _toolsMenuButton;
-  base::WeakNSObject<ReadingListMenuNotifier> _readingListMenuNotifier;
-}
-
-@synthesize inTabSwitcher = _inTabSwitcher;
-@synthesize noOpenedTabs = _noOpenedTabs;
-@synthesize inIncognito = _inIncognito;
-@synthesize userAgentType = _userAgentType;
-
-- (instancetype)initWithDisplayView:(UIView*)displayView {
-  if (self = [super init]) {
-    _userAgentType = web::UserAgentType::NONE;
-    _displayView.reset(displayView);
-    _readingListMenuNotifier.reset();
-  }
-  return self;
-}
-
-- (instancetype)init {
-  NOTREACHED();
-  return nil;
-}
-
-- (UIEdgeInsets)toolsButtonInsets {
-  return self.toolsMenuButton ? [self.toolsMenuButton imageEdgeInsets]
-                              : UIEdgeInsetsZero;
-}
-
-- (CGRect)sourceRect {
-  // Set the origin for the tools popup to the horizontal center of the tools
-  // menu button.
-  return self.toolsMenuButton
-             ? [self.displayView convertRect:self.toolsMenuButton.bounds
-                                    fromView:self.toolsMenuButton]
-             : CGRectZero;
-}
-
-- (void)setToolsMenuButton:(UIButton*)toolsMenuButton {
-  _toolsMenuButton.reset(toolsMenuButton);
-}
-
-- (UIButton*)toolsMenuButton {
-  return _toolsMenuButton;
-}
-
-- (UIView*)displayView {
-  return _displayView;
-}
-
-- (void)setReadingListMenuNotifier:
-    (ReadingListMenuNotifier*)readingListMenuNotifier {
-  _readingListMenuNotifier.reset(readingListMenuNotifier);
-}
-
-- (ReadingListMenuNotifier*)readingListMenuNotifier {
-  return _readingListMenuNotifier;
-}
-
-@end