Show zoom bubble for everything but an empty host.

chrome/browser/ui/zoom/zoom_controller_unittest.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 "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/browser/ui/zoom/zoom_observer.h"
@@ skipping 92 matching lines @@
 
 TEST_F(ZoomControllerTest, Observe_ZoomController) {
   double old_zoom_level = zoom_controller_->GetZoomLevel();
   double new_zoom_level = 110.0;
 
   ZoomController::ZoomChangedEventData zoom_change_data1(
       web_contents(),
       old_zoom_level,
       old_zoom_level,
       ZoomController::ZOOM_MODE_ISOLATED,
-      true /* can_show_bubble */);
+      false /* can_show_bubble */);
   EXPECT_CALL(zoom_observer_, OnZoomChanged(zoom_change_data1)).Times(1);
 
   zoom_controller_->SetZoomMode(ZoomController::ZOOM_MODE_ISOLATED);
 
   ZoomController::ZoomChangedEventData zoom_change_data2(
       web_contents(),
       old_zoom_level,
       new_zoom_level,
       ZoomController::ZOOM_MODE_ISOLATED,
-      true /* can_show_bubble */);
+      false /* can_show_bubble */);
   EXPECT_CALL(zoom_observer_, OnZoomChanged(zoom_change_data2)).Times(1);
 
   zoom_controller_->SetZoomLevel(new_zoom_level);
 }