Add CommandDispatcher to BrowserViewController.

ios/chrome/browser/ui/toolbar/web_toolbar_controller.h

 // Copyright 2012 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_TOOLBAR_WEB_TOOLBAR_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_TOOLBAR_WEB_TOOLBAR_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #include "ios/chrome/browser/ui/omnibox/omnibox_popup_positioner.h"
@@ skipping 28 matching lines @@
 @protocol WebToolbarDelegate<NSObject>
 @required
 // Called when the location bar gains keyboard focus.
 - (IBAction)locationBarDidBecomeFirstResponder:(id)sender;
 // Called when the location bar loses keyboard focus.
 - (IBAction)locationBarDidResignFirstResponder:(id)sender;
 // Called when the location bar receives a key press.
 - (IBAction)locationBarBeganEdit:(id)sender;
 // Called when the stack view controller is about to be shown.
 - (IBAction)prepareToEnterTabSwitcher:(id)sender;
-// Loads the text entered in the location bar as javascript.
-// Note: The JavaScript is executed asynchronously.
-- (void)loadJavaScriptFromLocationBar:(NSString*)script;
 // Returns the WebState.
 - (web::WebState*)currentWebState;
 // Called when the toolbar height changes. Other elements, such as the web view,
 // may need to adjust accordingly. This is called from within an animation
 // block.
 - (void)toolbarHeightChanged;
 - (ToolbarModelIOS*)toolbarModelIOS;
 // Sets the alpha for the toolbar's background views.
 - (void)updateToolbarBackgroundAlpha:(CGFloat)backgroundAlpha;
 // Sets the alpha for the toolbar's background views.
@@ skipping 98 matching lines @@
 - (BOOL)isOmniboxFirstResponder;
 
 // Returns whether the omnibox popup is currently displayed.
 - (BOOL)showingOmniboxPopup;
 
 - (void)traitCollectionDidChange:(UITraitCollection*)previousTraitCollection;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_TOOLBAR_WEB_TOOLBAR_CONTROLLER_H_