[ios] Remove IDC_STOP and IDC_RELOAD

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

Index: ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
diff --git a/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm b/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
index e144020eeadf8452ff34d19346b6d0fda871d53e..c5902a5fc67fc40488b5fbc077455f09a5c2d457 100644
--- a/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
+++ b/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
@@ -484,8 +484,6 @@ CGRect RectShiftedDownAndResizedForStatusBar(CGRect rect) {
 
   // Assign tags before calling -setUpButton, since only buttons with tags
   // have -chromeExecuteCommand added as a target.
-  [_reloadButton setTag:IDC_RELOAD];
-  [_stopButton setTag:IDC_STOP];
   [_starButton setTag:IDC_BOOKMARK_PAGE];
   [_voiceSearchButton setTag:IDC_VOICE_SEARCH];
 
@@ -536,6 +534,14 @@ CGRect RectShiftedDownAndResizedForStatusBar(CGRect rect) {
         hasDisabledImage:YES
            synchronously:NO];
     [_stopButton setHidden:YES];
+
+    // Assign targets for buttons using the dispatcher.
+    [_stopButton addTarget:self.dispatcher
+                    action:@selector(stopLoading)
+          forControlEvents:UIControlEventTouchUpInside];
+    [_reloadButton addTarget:self.dispatcher
+                      action:@selector(reload)
+            forControlEvents:UIControlEventTouchUpInside];
   } else {
     [_forwardButton setAlpha:0.0];
   }