Remove remaining calls to deprecated MessageLoop methods on Mac.

chrome/browser/ui/cocoa/extensions/browser_action_button_interactive_uitest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/extensions/browser_action_button.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/extension_action_test_util.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/app_menu/app_menu_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_container_view.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_controller.h"
 #import "chrome/browser/ui/cocoa/run_loop_testing.h"
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
@@ skipping 149 matching lines @@
   return self;
 }
 
 - (void)dealloc {
   [[NSNotificationCenter defaultCenter] removeObserver:self];
   [super dealloc];
 }
 
 - (void)menuDidClose:(NSNotification*)notification {
   if (!closeClosure_.is_null()) {
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::ResetAndReturn(&closeClosure_));
   }
 }
 
 - (void)menuDidOpen:(NSNotification*)notification {
   if (!openClosure_.is_null()) {
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::ResetAndReturn(&openClosure_));
   }
 }
 
 @end
 
 class BrowserActionButtonUiTest : public ExtensionBrowserTest {
  protected:
   BrowserActionButtonUiTest() {}
   ~BrowserActionButtonUiTest() override {}
@@ skipping 59 matching lines @@
   // ui_controls:: methods don't play nice when there is an open menu (like the
   // app menu). Instead, simulate a right click by feeding the event directly to
   // the button.
   NSPoint centerPoint = GetCenterPoint(actionButton);
   NSEvent* mouseEvent = cocoa_test_event_utils::RightMouseDownAtPointInWindow(
       centerPoint, [actionButton window]);
   [actionButton rightMouseDown:mouseEvent];
 
   // This should close the app menu.
   EXPECT_FALSE([appMenuController isMenuOpen]);
-  base::MessageLoop::current()->PostTask(FROM_HERE, closure);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, closure);
 }
 
 // Verifies that the action is "popped out" of overflow; that is, it is visible
 // on the main bar, and is set as the popped out action on the controlling
 // ToolbarActionsBar.
 void CheckActionIsPoppedOut(BrowserActionsController* actionsController,
                             BrowserActionButton* actionButton) {
   EXPECT_EQ([actionsController containerView], [actionButton superview]);
   EXPECT_EQ([actionButton viewController],
             [actionsController toolbarActionsBar]->popped_out_action());
@@ skipping 143 matching lines @@
     for (NSUInteger j = 0; j < i; ++j) {
       EXPECT_FALSE(
           NSContainsRect([[overflowController buttonWithIndex:j] frame],
                          [button frame])) << error_message;
     }
   }
 
   // Close the app menu.
   [appMenuController cancel];
   EXPECT_FALSE([appMenuController isMenuOpen]) << error_message;
-  base::MessageLoop::current()->PostTask(FROM_HERE, closure);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, closure);
 }
 
 // Tests the layout of the overflow container in the app menu.
 // Disabled due to crashing flakily, see crbug.com/602203.
 IN_PROC_BROWSER_TEST_F(BrowserActionButtonUiTest,
                        DISABLED_TestOverflowContainerLayout) {
   // Add a bunch of extensions - enough to trigger multiple rows in the overflow
   // menu.
   const int kNumExtensions = 12;
   for (int i = 0; i < kNumExtensions; ++i) {
@@ skipping 193 matching lines @@
   openAndCloseAppMenu(appMenuController());
 
   // Move the extension back to the main bar, so an overflow bar is no longer
   // needed. Then open and close the app menu a couple times.
   // This tests that the menu properly cleans up after itself when an overflow
   // was present, and is no longer (fix for crbug.com/603241).
   model()->SetVisibleIconCount(1);
   openAndCloseAppMenu(appMenuController());
   openAndCloseAppMenu(appMenuController());
 }