Trim whitespaces from username

chrome/browser/chromeos/login/new_user_view.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/chromeos/login/new_user_view.h"
 
 #include <signal.h>
 #include <sys/types.h>
 
 #include <algorithm>
@@ skipping 45 matching lines @@
 
 // Textfield that adds domain to the entered username if focus is lost and
 // username doesn't have full domain.
 class UsernameField : public chromeos::TextfieldWithMargin {
  public:
   explicit UsernameField(chromeos::NewUserView* controller)
       : controller_(controller) {}
 
   // views::Textfield overrides:
   virtual void WillLoseFocus() {
-    if (!text().empty()) {
-      std::string username = UTF16ToUTF8(text());
+    string16 user_input;
+    bool was_trim = TrimWhitespace(text(), TRIM_ALL, &user_input) != TRIM_NONE;
+    if (!user_input.empty()) {
+      std::string username = UTF16ToUTF8(user_input);
 
       if (username.find('@') == std::string::npos) {
         username += kDefaultDomain;
         SetText(UTF8ToUTF16(username));
+        was_trim = false;
       }
     }
+
+    if (was_trim)
+      SetText(user_input);
   }
 
   // Overridden from views::View:
   virtual bool OnKeyPressed(const views::KeyEvent& e) {
     if (e.GetKeyCode() == app::VKEY_LEFT) {
       return controller_->NavigateAway();
     }
     return false;
   }
 
@@ skipping 477 matching lines @@
 
 void NewUserView::InitLink(views::Link** link) {
   *link = new views::Link(std::wstring());
   (*link)->SetController(this);
   (*link)->SetNormalColor(login::kLinkColor);
   (*link)->SetHighlightedColor(login::kLinkColor);
   AddChildView(*link);
 }
 
 }  // namespace chromeos