Add a browser-test for the keyboard widget.

chrome/browser/ui/touch/keyboard/keyboard_manager.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/touch/keyboard/keyboard_manager.h"
 
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/views/dom_view.h"
 #include "chrome/browser/ui/views/tab_contents/tab_contents_view_touch.h"
+#include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension_messages.h"
-#include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 #include "content/common/notification_service.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/gfx/interpolated_transform.h"
 #include "views/ime/text_input_type_tracker.h"
@@ skipping 176 matching lines @@
 
   transform_.reset(new ui::InterpolatedTranslation(
       gfx::Point(0, keyboard_height_), gfx::Point()));
 
   GetRootView()->SetTransform(
       transform_->Interpolate(animation_->GetCurrentValue()));
   animation_->Show();
 
   MoveToTop();
   Show();
+
+  bool visible = true;
+  NotificationService::current()->Notify(
+      chrome::NOTIFICATION_KEYBOARD_VISIBILITY_CHANGED,
+      Source<KeyboardWidget>(this),
+      Details<bool>(&visible));
 }
 
 void KeyboardWidget::Hide() {
   animation_->Hide();
+
+  bool visible = false;
+  NotificationService::current()->Notify(
+      chrome::NOTIFICATION_KEYBOARD_VISIBILITY_CHANGED,
+      Source<KeyboardWidget>(this),
+      Details<bool>(&visible));
 }
 
 void KeyboardWidget::SetTarget(views::Widget* target) {
   if (target_)
     target_->RemoveObserver(this);
 
   target_ = target;
 
   if (target_) {
     // TODO(sad): Make |target_| the parent widget.
@@ skipping 197 matching lines @@
 
 void KeyboardManager::OnWidgetClosing(views::Widget* widget) {
   DCHECK_EQ(keyboard_, widget);
   keyboard_ = NULL;
 }
 
 // static
 KeyboardManager* KeyboardManager::GetInstance() {
   return Singleton<KeyboardManager>::get();
 }