Add CommandDispatcher to BrowserViewController.

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

 // 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.
 
 #import "ios/chrome/browser/ui/toolbar/web_toolbar_controller.h"
 
 #import <CoreLocation/CoreLocation.h>
 #include <QuartzCore/QuartzCore.h>
 
 #include <stdint.h>
@@ skipping 1231 matching lines @@
 
 #pragma mark -
 #pragma mark LocationBarDelegate methods.
 
 - (void)loadGURLFromLocationBar:(const GURL&)url
                      transition:(ui::PageTransition)transition {
   if (url.SchemeIs(url::kJavaScriptScheme)) {
     // Evaluate the URL as JavaScript if its scheme is JavaScript.
     NSString* jsToEval = [base::SysUTF8ToNSString(url.GetContent())
         stringByRemovingPercentEncoding];
-    [self.delegate loadJavaScriptFromLocationBar:jsToEval];
+    [self.urlLoader loadJavaScriptFromLocationBar:jsToEval];
   } else {
     // When opening a URL, force the omnibox to resign first responder.  This
     // will also close the popup.
 
     // TODO(rohitrao): Is it ok to call |cancelOmniboxEdit| after |loadURL|?  It
     // doesn't seem to be causing major problems.  If we call cancel before
     // load, then any prerendered pages get destroyed before the call to load.
     [self.urlLoader loadURL:url
                    referrer:web::Referrer()
                  transition:transition
@@ skipping 1306 matching lines @@
 
 - (BOOL)isPrerenderAnimationRunning {
   return _prerenderAnimating;
 }
 
 - (OmniboxTextFieldIOS*)omnibox {
   return _omniBox.get();
 }
 
 @end