chrome/browser/ui: Put browser_dialogs.h into chrome namespace.

chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm

 // Copyright (c) 2011 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/cocoa/tab_modal_confirm_dialog_mac.h"
 
 #include "base/memory/scoped_nsobject.h"
 #include "chrome/browser/ui/browser_dialogs.h"
+#include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog_delegate.h"
-#include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/gfx/image/image.h"
 
 // The delegate of the NSAlert used to display the dialog. Forwards the alert's
 // completion event to the C++ class |TabModalConfirmDialogDelegate|.
 @interface TabModalConfirmDialogMacBridge : NSObject {
   TabModalConfirmDialogDelegate* delegate_;  // weak
 }
 - (id)initWithDelegate:(TabModalConfirmDialogDelegate*)delegate;
 - (void)alertDidEnd:(NSAlert*)alert
@@ skipping 13 matching lines @@
          returnCode:(int)returnCode
         contextInfo:(void*)contextInfo {
   if (returnCode == NSAlertFirstButtonReturn) {
     delegate_->Accept();
   } else {
     delegate_->Cancel();
   }
 }
 @end
 
-namespace browser {
+namespace chrome {
 
 // Declared in browser_dialogs.h so others don't have to depend on our header.
 void ShowTabModalConfirmDialog(TabModalConfirmDialogDelegate* delegate,
                                TabContents* tab_contents) {
   // Deletes itself when closed.
   new TabModalConfirmDialogMac(delegate, tab_contents);
 }
 
-}
+}  // namespace chrome
 
 TabModalConfirmDialogMac::TabModalConfirmDialogMac(
     TabModalConfirmDialogDelegate* delegate,
     TabContents* tab_contents)
     : ConstrainedWindowMacDelegateSystemSheet(
         [[[TabModalConfirmDialogMacBridge alloc] initWithDelegate:delegate]
             autorelease],
         @selector(alertDidEnd:returnCode:contextInfo:)),
       delegate_(delegate) {
   scoped_nsobject<NSAlert> alert([[NSAlert alloc] init]);
@@ skipping 20 matching lines @@
     [NSApp endSheet:window
          returnCode:NSAlertSecondButtonReturn];
   }
 }
 
 // "DeleteDelegate" refers to this class being a ConstrainedWindow delegate
 // and deleting itself, not to deleting the member variable |delegate_|.
 void TabModalConfirmDialogMac::DeleteDelegate() {
   delete this;
 }