Disable zoom bubble for PDF extension.

components/ui/zoom/zoom_test_utils.cc

-// Copyright 2015 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 "components/ui/zoom/zoom_test_utils.h"
-
-#include "content/public/test/test_utils.h"
-
-namespace ui_zoom {
-
-bool operator==(const ZoomController::ZoomChangedEventData& lhs,
-                const ZoomController::ZoomChangedEventData& rhs) {
-  return lhs.web_contents == rhs.web_contents &&
-         lhs.old_zoom_level == rhs.old_zoom_level &&
-         lhs.new_zoom_level == rhs.new_zoom_level &&
-         lhs.zoom_mode == rhs.zoom_mode &&
-         lhs.can_show_bubble == rhs.can_show_bubble;
-}
-
-ZoomChangedWatcher::ZoomChangedWatcher(
-    ZoomController* zoom_controller,
-    const ZoomController::ZoomChangedEventData& expected_event_data)
-    : zoom_controller_(zoom_controller),
-      expected_event_data_(expected_event_data),
-      message_loop_runner_(new content::MessageLoopRunner) {
-    zoom_controller_->AddObserver(this);
-  }
-
-ZoomChangedWatcher::~ZoomChangedWatcher() {
-  zoom_controller_->RemoveObserver(this);
-}
-
-void ZoomChangedWatcher::Wait() {
-  message_loop_runner_->Run();
-}
-
-void ZoomChangedWatcher::OnZoomChanged(
-    const ZoomController::ZoomChangedEventData& event_data) {
-  if (event_data == expected_event_data_)
-    message_loop_runner_->Quit();
-}
-
-}  // namespace ui_zoom