Remove implementation of Panels on OSes other than ChromeOS.

chrome/browser/ui/cocoa/panels/panel_cocoa_browsertest.mm

-// 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.
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/location.h"
-#import "base/mac/scoped_nsobject.h"
-#include "base/run_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/test/test_timeouts.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "chrome/app/chrome_command_ids.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/ui/browser_commands.h"
-#include "chrome/browser/ui/browser_finder.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "chrome/browser/ui/panels/base_panel_browser_test.h"
-#include "chrome/browser/ui/panels/panel.h"
-#include "content/public/test/test_utils.h"
-
-// Class that spins a run loop until an NSWindow gains key status.
-@interface CocoaActivationWaiter : NSObject {
- @private
-  base::RunLoop* runLoop_;
-  BOOL observed_;
-}
-
-- (id)initWithWindow:(NSWindow*)window;
-- (void)windowDidBecomeKey:(NSNotification*)notification;
-- (BOOL)waitUntilActive;
-
-@end
-
-@implementation CocoaActivationWaiter
-
-- (id)initWithWindow:(NSWindow*)window {
-  EXPECT_FALSE([window isKeyWindow]);
-  if ((self = [super init])) {
-    [[NSNotificationCenter defaultCenter]
-        addObserver:self
-           selector:@selector(windowDidBecomeKey:)
-               name:NSWindowDidBecomeKeyNotification
-             object:window];
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [[NSNotificationCenter defaultCenter] removeObserver:self];
-  [super dealloc];
-}
-
-- (void)windowDidBecomeKey:(NSNotification*)notification {
-  observed_ = YES;
-  if (runLoop_)
-    runLoop_->Quit();
-}
-
-- (BOOL)waitUntilActive {
-  if (observed_)
-    return YES;
-
-  base::RunLoop runLoop;
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-      FROM_HERE, runLoop.QuitClosure(), TestTimeouts::action_timeout());
-  runLoop_ = &runLoop;
-  runLoop.Run();
-  runLoop_ = nullptr;
-  return observed_;
-}
-
-@end
-
-typedef BasePanelBrowserTest PanelCocoaBrowserTest;
-
-IN_PROC_BROWSER_TEST_F(PanelCocoaBrowserTest, MenuItems) {
-  Panel* panel = CreatePanel("Panel");
-
-  // Close main tabbed window.
-  content::WindowedNotificationObserver signal(
-      chrome::NOTIFICATION_BROWSER_CLOSED,
-      content::Source<Browser>(browser()));
-  chrome::CloseWindow(browser());
-  signal.Wait();
-
-  // There should be no browser windows.
-  EXPECT_EQ(0u, chrome::GetTotalBrowserCount());
-
-  // There should be one panel.
-  EXPECT_EQ(1, PanelManager::GetInstance()->num_panels());
-
-  NSMenu* mainMenu = [NSApp mainMenu];
-  EXPECT_TRUE(mainMenu);
-
-  // Chrome(0) File(1) ....
-  // Get File submenu. It doesn't have a command id, fetch it by index.
-  NSMenu* fileSubmenu = [[[mainMenu itemArray] objectAtIndex:1] submenu];
-  EXPECT_TRUE(fileSubmenu);
-  [fileSubmenu update];
-
-  // Verify the items normally enabled for "all windows closed" case are
-  // also enabled when there is a panel but no browser windows on the screen.
-  NSMenuItem* item = [fileSubmenu itemWithTag:IDC_NEW_TAB];
-  EXPECT_TRUE(item);
-  EXPECT_TRUE([item isEnabled]);
-
-  item = [fileSubmenu itemWithTag:IDC_NEW_WINDOW];
-  EXPECT_TRUE(item);
-  EXPECT_TRUE([item isEnabled]);
-
-  item = [fileSubmenu itemWithTag:IDC_NEW_INCOGNITO_WINDOW];
-  EXPECT_TRUE(item);
-  EXPECT_TRUE([item isEnabled]);
-
-  NSMenu* historySubmenu = [[mainMenu itemWithTag:IDC_HISTORY_MENU] submenu];
-  EXPECT_TRUE(historySubmenu);
-  [historySubmenu update];
-
-  // These should be disabled.
-  item = [historySubmenu itemWithTag:IDC_HOME];
-  EXPECT_TRUE(item);
-  EXPECT_FALSE([item isEnabled]);
-
-  item = [historySubmenu itemWithTag:IDC_BACK];
-  EXPECT_TRUE(item);
-  EXPECT_FALSE([item isEnabled]);
-
-  item = [historySubmenu itemWithTag:IDC_FORWARD];
-  EXPECT_TRUE(item);
-  EXPECT_FALSE([item isEnabled]);
-
-  // 'Close Window' should be enabled because the remaining Panel is a Responder
-  // which implements performClose:, the 'action' of 'Close Window'.
-  for (NSMenuItem *i in [fileSubmenu itemArray]) {
-    if ([i action] == @selector(performClose:)) {
-      item = i;
-      break;
-    }
-  }
-  EXPECT_TRUE(item);
-  EXPECT_TRUE([item isEnabled]);
-
-  panel->Close();
-}
-
-// Test that panels do not become active when closing a window, even when a
-// panel is otherwise the topmost window.
-IN_PROC_BROWSER_TEST_F(PanelCocoaBrowserTest, InactivePanelsNotActivated) {
-  // Note CreateDockedPanel() sets wait_for_fully_created and SHOW_AS_ACTIVE,
-  // so the following spins a run loop until the respective panel is activated.
-  Panel* docked_panel_1 = CreateDockedPanel("Panel1", gfx::Rect());
-  EXPECT_TRUE([docked_panel_1->GetNativeWindow() isKeyWindow]);
-
-  // Activate the browser. Otherwise closing the second panel will correctly
-  // raise the first panel since panels are allowed to become key if they were
-  // actually the most recently focused window (as opposed to being merely the
-  // topmost window on the z-order stack).
-  NSWindow* browser_window = browser()->window()->GetNativeWindow();
-  base::scoped_nsobject<CocoaActivationWaiter> waiter(
-      [[CocoaActivationWaiter alloc] initWithWindow:browser_window]);
-  browser()->window()->Activate();
-  EXPECT_TRUE([waiter waitUntilActive]);
-
-  // Creating a second panel will activate it (and make it topmost).
-  Panel* docked_panel_2 = CreateDockedPanel("Panel2", gfx::Rect());
-  EXPECT_TRUE([docked_panel_2->GetNativeWindow() isKeyWindow]);
-
-  // Verify the assumptions that the panels are actually topmost.
-  EXPECT_EQ(docked_panel_2->GetNativeWindow(),
-            [[NSApp orderedWindows] objectAtIndex:0]);
-  EXPECT_EQ(docked_panel_1->GetNativeWindow(),
-            [[NSApp orderedWindows] objectAtIndex:1]);
-
-  // Close the second panel and wait for the browser to become active.
-  waiter.reset([[CocoaActivationWaiter alloc] initWithWindow:browser_window]);
-  docked_panel_2->Close();
-
-  EXPECT_TRUE([waiter waitUntilActive]);
-  EXPECT_TRUE([browser_window isKeyWindow]);
-}