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

chrome/browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm

Index: chrome/browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm
===================================================================
--- chrome/browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm	(revision 135175)
+++ chrome/browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm	(working copy)
@@ -9,11 +9,11 @@
 #include "base/memory/scoped_nsobject.h"
 #include "chrome/browser/ui/cocoa/constrained_window_mac.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
-#include "chrome/browser/ui/webui/web_dialog_delegate.h"
-#include "chrome/browser/ui/webui/web_dialog_ui.h"
-#include "chrome/browser/ui/webui/web_dialog_web_contents_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/gfx/size.h"
+#include "ui/web_dialogs/web_dialog_delegate.h"
+#include "ui/web_dialogs/web_dialog_ui.h"
+#include "ui/web_dialogs/web_dialog_web_contents_delegate.h"
 
 using content::WebContents;
 
@@ -24,8 +24,8 @@
  public:
   ConstrainedWebDialogDelegateMac(
       Profile* profile,
-      WebDialogDelegate* delegate,
-      WebDialogWebContentsDelegate* tab_delegate);
+      web_dialogs::WebDialogDelegate* delegate,
+      web_dialogs::WebDialogWebContentsDelegate* tab_delegate);
   virtual ~ConstrainedWebDialogDelegateMac() {}
 
   void set_window(ConstrainedWindow* window) {
@@ -33,11 +33,11 @@
   }
 
   // ConstrainedWebDialogDelegate interface
-  virtual const WebDialogDelegate*
+  virtual const web_dialogs::WebDialogDelegate*
       GetWebDialogDelegate() const OVERRIDE {
     return impl_->GetWebDialogDelegate();
   }
-  virtual WebDialogDelegate* GetWebDialogDelegate() OVERRIDE {
+  virtual web_dialogs::WebDialogDelegate* GetWebDialogDelegate() OVERRIDE {
     return impl_->GetWebDialogDelegate();
   }
   virtual void OnDialogCloseFromWebUI() OVERRIDE {
@@ -85,8 +85,8 @@
 
 ConstrainedWebDialogDelegateMac::ConstrainedWebDialogDelegateMac(
     Profile* profile,
-    WebDialogDelegate* delegate,
-    WebDialogWebContentsDelegate* tab_delegate)
+    web_dialogs::WebDialogDelegate* delegate,
+    web_dialogs::WebDialogWebContentsDelegate* tab_delegate)
     : impl_(new ConstrainedWebDialogDelegateBase(profile,
                                                  delegate,
                                                  tab_delegate)) {
@@ -118,8 +118,8 @@
 ConstrainedWebDialogDelegate*
     ConstrainedWebDialogUI::CreateConstrainedWebDialog(
         Profile* profile,
-        WebDialogDelegate* delegate,
-        WebDialogWebContentsDelegate* tab_delegate,
+        web_dialogs::WebDialogDelegate* delegate,
+        web_dialogs::WebDialogWebContentsDelegate* tab_delegate,
         TabContentsWrapper* wrapper) {
   // Deleted when ConstrainedWebDialogDelegateMac::DeleteDelegate() runs.
   ConstrainedWebDialogDelegateMac* constrained_delegate =