Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

chrome/browser/ui/views/web_dialog_view.h

Index: chrome/browser/ui/views/web_dialog_view.h
===================================================================
--- chrome/browser/ui/views/web_dialog_view.h	(revision 134857)
+++ chrome/browser/ui/views/web_dialog_view.h	(working copy)
@@ -12,8 +12,8 @@
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/tab_render_watcher.h"
-#include "chrome/browser/ui/webui/web_dialog_web_contents_delegate.h"
-#include "chrome/browser/ui/webui/web_dialog_ui.h"
+#include "chrome/browser/ui/webui/chrome_web_dialog_web_contents_delegate.h"
+#include "ui/web_dialogs/web_dialog_ui.h"
 #include "ui/gfx/size.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget_delegate.h"
@@ -43,8 +43,8 @@
 //             content::BrowserContext.
 class WebDialogView
     : public views::View,
-      public WebDialogWebContentsDelegate,
-      public WebDialogDelegate,
+      public ChromeWebDialogWebContentsDelegate,
+      public views::WebDialogDelegate,
       public views::WidgetDelegate,
       public TabRenderWatcher::Delegate {
  public:
@@ -132,7 +132,7 @@
   // about when the dialog is closing. For all other actions (besides dialog
   // closing) we delegate to the creator of this view, which we keep track of
   // using this variable.
-  WebDialogDelegate* delegate_;
+  views::WebDialogDelegate* delegate_;
 
   // Controls lifetime of dialog.
   scoped_ptr<WebDialogController> dialog_controller_;