browser: Put more files in chrome namespace.

chrome/browser/ui/gtk/confirm_bubble_gtk.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/gtk/confirm_bubble_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
@@ skipping 160 matching lines @@
   bubble_->Close();
 }
 
 void ConfirmBubbleGtk::OnLinkButton(GtkWidget* sender) {
   model_->LinkClicked();
   // TODO(hbono): this code prevents the model from updating this view when we
   // click this link. We should ask the model if we can close this view.
   bubble_->Close();
 }
 
-namespace browser {
+namespace chrome {
 
 void ShowConfirmBubble(gfx::NativeView view,
                        const gfx::Point& origin,
                        ConfirmBubbleModel* model) {
   ConfirmBubbleGtk* bubble = new ConfirmBubbleGtk(view, origin, model);
   bubble->Show();
 }
 
-}  // namespace browser
+}  // namespace chrome