Adds a FakeToolbarModel for use in testing.

chrome/browser/chromeos/login/simple_web_view_dialog.cc

Index: chrome/browser/chromeos/login/simple_web_view_dialog.cc
diff --git a/chrome/browser/chromeos/login/simple_web_view_dialog.cc b/chrome/browser/chromeos/login/simple_web_view_dialog.cc
index c9d9ca96321d1b2f18ee558fbf16a5c9dafaf80f..3f6f82d7d66ad05921d412fa7d101488d26764ee 100644
--- a/chrome/browser/chromeos/login/simple_web_view_dialog.cc
+++ b/chrome/browser/chromeos/login/simple_web_view_dialog.cc
@@ -14,7 +14,7 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/content_settings/content_setting_bubble_model_delegate.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
-#include "chrome/browser/ui/toolbar/toolbar_model.h"
+#include "chrome/browser/ui/toolbar/toolbar_model_impl.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
 #include "chrome/browser/ui/views/page_info_bubble_view.h"
@@ -179,7 +179,7 @@ void SimpleWebViewDialog::Init() {
   forward_->SetAccessibleName(l10n_util::GetStringUTF16(IDS_ACCNAME_FORWARD));
   forward_->set_id(VIEW_ID_FORWARD_BUTTON);
 
-  toolbar_model_.reset(new ToolbarModel(this));
+  toolbar_model_.reset(new ToolbarModelImpl(this));
 
   // Location bar.
   location_bar_ = new LocationBarView(NULL,