[Media Router] Implement MediaRouterAction + MediaRouterUI tests.

chrome/browser/ui/toolbar/media_router_action.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 "chrome/browser/ui/toolbar/media_router_action.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/toolbar/toolbar_action_view_delegate.h"
+#include "chrome/browser/ui/webui/media_router/media_router_dialog_controller.h"
 #include "chrome/grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 
+using media_router::MediaRouterDialogController;
+
 MediaRouterAction::MediaRouterAction()
     : id_("media_router_action"),
       name_(l10n_util::GetStringUTF16(IDS_MEDIA_ROUTER_TITLE)),
       media_router_idle_icon_(ui::ResourceBundle::GetSharedInstance().
           GetImageNamed(IDR_MEDIA_ROUTER_IDLE_ICON)),
       delegate_(nullptr) {
 }
 
 MediaRouterAction::~MediaRouterAction() {
 }
@@ skipping 31 matching lines @@
   return name_;
 }
 
 bool MediaRouterAction::IsEnabled(
     content::WebContents* web_contents) const {
   return true;
 }
 
 bool MediaRouterAction::WantsToRun(
     content::WebContents* web_contents) const {
-  NOTIMPLEMENTED();
   return false;
 }
 
 bool MediaRouterAction::HasPopup(
     content::WebContents* web_contents) const {
-  NOTIMPLEMENTED();
   return true;
 }
 
 void MediaRouterAction::HidePopup() {
-  NOTIMPLEMENTED();
+  GetMediaRouterDialogController()->CloseMediaRouterDialog();
 }
 
 gfx::NativeView MediaRouterAction::GetPopupNativeView() {
-  NOTIMPLEMENTED();
   return nullptr;
 }
 
 ui::MenuModel* MediaRouterAction::GetContextMenu() {
-  NOTIMPLEMENTED();
   return nullptr;
 }
 
 bool MediaRouterAction::CanDrag() const {
-  NOTIMPLEMENTED();
   return false;
 }
 
 bool MediaRouterAction::ExecuteAction(bool by_user) {
-  NOTIMPLEMENTED();
-  return false;
+  GetMediaRouterDialogController()->ShowMediaRouterDialog();
+  return true;
 }
 
 void MediaRouterAction::UpdateState() {
   NOTIMPLEMENTED();
 }
+
+MediaRouterDialogController*
+MediaRouterAction::GetMediaRouterDialogController() {
+  DCHECK(delegate_);
+  content::WebContents* web_contents = delegate_->GetCurrentWebContents();
+  DCHECK(web_contents);
+  return MediaRouterDialogController::GetOrCreateForWebContents(web_contents);
+}