Stop showing snackbar with success message when sharing with Chrome iOS.

ios/chrome/browser/ui/browser_view_controller.mm

Index: ios/chrome/browser/ui/browser_view_controller.mm
diff --git a/ios/chrome/browser/ui/browser_view_controller.mm b/ios/chrome/browser/ui/browser_view_controller.mm
index 32bc6f7e3a4089fbbfc9fabdf277b6dfc4630e54..fc0cf26a69d5bec53a34ce920516ed6580ee6dc8 100644
--- a/ios/chrome/browser/ui/browser_view_controller.mm
+++ b/ios/chrome/browser/ui/browser_view_controller.mm
@@ -4914,7 +4914,7 @@ class BrowserBookmarkModelBridge : public bookmarks::BookmarkModelObserver {
 #pragma mark - ShareToDelegate methods
 
 - (void)shareDidComplete:(ShareTo::ShareResult)shareStatus
-          successMessage:(NSString*)message {
+       completionMessage:(NSString*)message {
   // The shareTo dialog dismisses itself instead of through
   // |-dismissViewControllerAnimated:completion:| so we must reset the
   // presenting state here.
@@ -4949,7 +4949,7 @@ class BrowserBookmarkModelBridge : public bookmarks::BookmarkModelObserver {
 - (void)passwordAppExDidFinish:(ShareTo::ShareResult)shareStatus
                       username:(NSString*)username
                       password:(NSString*)password
-                successMessage:(NSString*)message {
+             completionMessage:(NSString*)message {
   switch (shareStatus) {
     case ShareTo::SHARE_SUCCESS: {
       PasswordController* passwordController =