[Media Router] Add browser tests for showing the dialog

This CL adds test cases for opening the media router dialog from the page
context menu and the app menu.

BUG=678472

Review-Url: https://codereview.chromium.org/2621723003
Cr-Commit-Position: refs/heads/master@{#443398}

chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc

@@ -4,8 +4,10 @@
 
 #include "base/bind.h"
 #include "base/threading/thread_task_runner_handle.h"
+#include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/browser_action_test_util.h"
 #include "chrome/browser/media/router/media_router_ui_service.h"
+#include "chrome/browser/renderer_context_menu/render_view_context_menu_test_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ -14,6 +16,7 @@
 #include "chrome/browser/ui/toolbar/media_router_action_controller.h"
 #include "chrome/browser/ui/toolbar/toolbar_action_view_delegate.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/toolbar/app_menu.h"
 #include "chrome/browser/ui/views/toolbar/app_menu_button.h"
 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_action_view.h"
@@ -22,7 +25,9 @@
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
+#include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/context_menu_params.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/public/test/test_utils.h"
 #include "ui/views/widget/widget.h"
@@ -58,10 +63,7 @@ class MediaRouterUIBrowserTest : public InProcessBrowserTest {
     content::TestNavigationObserver nav_observer(NULL);
     nav_observer.StartWatchingNewWebContents();
 
-    AppMenuButton* app_menu_button =
-        BrowserView::GetBrowserViewForBrowser(browser())
-            ->toolbar()
-            ->app_menu_button();
+    AppMenuButton* app_menu_button = GetAppMenuButton();
 
     // When the Media Router Action executes, it opens a dialog with web
     // contents to chrome://media-router.
@@ -105,6 +107,12 @@ class MediaRouterUIBrowserTest : public InProcessBrowserTest {
             ComponentToolbarActionsFactory::kMediaRouterActionId, always_show);
   }
 
+  AppMenuButton* GetAppMenuButton() {
+    return BrowserView::GetBrowserViewForBrowser(browser())
+        ->toolbar()
+        ->app_menu_button();
+  }
+
  protected:
   ToolbarActionsBar* toolbar_actions_bar_ = nullptr;
 
@@ -147,6 +155,98 @@ IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
   SetAlwaysShowActionPref(false);
 }
 
+IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest, OpenDialogFromContextMenu) {
+  // Start with one tab showing about:blank.
+  ASSERT_EQ(1, browser()->tab_strip_model()->count());
+
+  content::WebContents* web_contents =
+      browser()->tab_strip_model()->GetActiveWebContents();
+  MediaRouterDialogController* dialog_controller =
+      MediaRouterDialogController::GetOrCreateForWebContents(
+          browser()->tab_strip_model()->GetActiveWebContents());
+  content::ContextMenuParams params;
+  params.page_url = web_contents->GetController().GetActiveEntry()->GetURL();
+  TestRenderViewContextMenu menu(web_contents->GetMainFrame(), params);
+  menu.Init();
+
+  ASSERT_TRUE(menu.IsItemPresent(IDC_ROUTE_MEDIA));
+  ASSERT_FALSE(dialog_controller->IsShowingMediaRouterDialog());
+  menu.ExecuteCommand(IDC_ROUTE_MEDIA, 0);
+  EXPECT_TRUE(dialog_controller->IsShowingMediaRouterDialog());
+
+  // Executing the command again should be a no-op, and there should only be one
+  // dialog opened per tab.
+  menu.ExecuteCommand(IDC_ROUTE_MEDIA, 0);
+  EXPECT_TRUE(dialog_controller->IsShowingMediaRouterDialog());
+  dialog_controller->HideMediaRouterDialog();
+  EXPECT_FALSE(dialog_controller->IsShowingMediaRouterDialog());
+}
+
+IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest, OpenDialogFromAppMenu) {
+  // Start with one tab showing about:blank.
+  ASSERT_EQ(1, browser()->tab_strip_model()->count());
+
+  AppMenuButton* menu_button = GetAppMenuButton();
+  base::RunLoop run_loop;
+  menu_button->ShowMenu(false);
+  run_loop.RunUntilIdle();
+
+  MediaRouterDialogController* dialog_controller =
+      MediaRouterDialogController::GetOrCreateForWebContents(
+          browser()->tab_strip_model()->GetActiveWebContents());
+  AppMenu* menu = menu_button->app_menu_for_testing();
+  ASSERT_FALSE(dialog_controller->IsShowingMediaRouterDialog());
+  menu->ExecuteCommand(IDC_ROUTE_MEDIA, 0);
+  EXPECT_TRUE(dialog_controller->IsShowingMediaRouterDialog());
+
+  // Executing the command again should be a no-op, and there should only be one
+  // dialog opened per tab.
+  menu->ExecuteCommand(IDC_ROUTE_MEDIA, 0);
+  EXPECT_TRUE(dialog_controller->IsShowingMediaRouterDialog());
+  dialog_controller->HideMediaRouterDialog();
+  EXPECT_FALSE(dialog_controller->IsShowingMediaRouterDialog());
+}
+
+IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest, OpenDialogsInMultipleTabs) {
+  // Start with two tabs.
+  chrome::NewTab(browser());
+  ASSERT_EQ(2, browser()->tab_strip_model()->count());
+  MediaRouterDialogController* dialog_controller1 =
+      MediaRouterDialogController::GetOrCreateForWebContents(
+          browser()->tab_strip_model()->GetWebContentsAt(0));
+  MediaRouterDialogController* dialog_controller2 =
+      MediaRouterDialogController::GetOrCreateForWebContents(
+          browser()->tab_strip_model()->GetWebContentsAt(1));
+
+  // Show the media router action on the toolbar.
+  SetAlwaysShowActionPref(true);
+
+  // Open a dialog in the first tab using the toolbar action.
+  browser()->tab_strip_model()->ActivateTabAt(0, true);
+  EXPECT_FALSE(dialog_controller1->IsShowingMediaRouterDialog());
+  GetMediaRouterAction()->ExecuteAction(true);
+  EXPECT_TRUE(dialog_controller1->IsShowingMediaRouterDialog());
+
+  // Move to the second tab, which shouldn't have a dialog at first. Open and
+  // close a dialog in that tab.
+  browser()->tab_strip_model()->ActivateTabAt(1, true);
+  EXPECT_FALSE(dialog_controller2->IsShowingMediaRouterDialog());
+  GetMediaRouterAction()->ExecuteAction(true);
+  EXPECT_TRUE(dialog_controller2->IsShowingMediaRouterDialog());
+  GetMediaRouterAction()->ExecuteAction(true);
+  EXPECT_FALSE(dialog_controller2->IsShowingMediaRouterDialog());
+
+  // Move back to the first tab, whose dialog should still be open. Hide the
+  // dialog.
+  browser()->tab_strip_model()->ActivateTabAt(0, true);
+  EXPECT_TRUE(dialog_controller1->IsShowingMediaRouterDialog());
+  GetMediaRouterAction()->ExecuteAction(true);
+  EXPECT_FALSE(dialog_controller1->IsShowingMediaRouterDialog());
+
+  // Reset the preference showing the toolbar action.
+  SetAlwaysShowActionPref(false);
+}
+
 IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
                        EphemeralToolbarIconForRoutesAndIssues) {
   action_controller_->OnIssue(issue_);