Replace a bunch of hardcoded URLs with constants from url_constants.h...

chrome/browser/browser.cc

 // Copyright (c) 2006-2009 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/browser.h"
 
 #include "app/animation.h"
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/idle_timer.h"
@@ skipping 2553 matching lines @@
     DCHECK(selected_navigation >= 0 &&
            selected_navigation < static_cast<int>(navigations.size()));
     // Create a NavigationController. This constructor creates the appropriate
     // set of TabContents.
     TabContents* new_tab = new TabContents(profile_, NULL,
                                            MSG_ROUTING_NONE, NULL);
     new_tab->controller().RestoreFromState(navigations, selected_navigation);
     return new_tab;
   } else {
     // No navigations. Create a tab with about:blank.
-    return CreateTabContentsForURL(GURL("about:blank"), GURL(), profile_,
-                                   PageTransition::START_PAGE, false, NULL);
+    return CreateTabContentsForURL(GURL(chrome::kAboutBlankURL), GURL(),
+                                   profile_, PageTransition::START_PAGE,
+                                   false, NULL);
   }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, OnBeforeUnload handling (private):
 
 void Browser::ProcessPendingTabs() {
   DCHECK(is_attempting_to_close_browser_);
 
   if (HasCompletedUnloadProcessing()) {
@@ skipping 312 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserToolbarModel (private):
 
 NavigationController* Browser::BrowserToolbarModel::GetNavigationController() {
   // This |current_tab| can be NULL during the initialization of the
   // toolbar during window creation (i.e. before any tabs have been added
   // to the window).
   TabContents* current_tab = browser_->GetSelectedTabContents();
   return current_tab ? &current_tab->controller() : NULL;
 }