Add task runners to more tests

chrome/browser/ui/cocoa/task_manager_mac_unittest.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/compiler_specific.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/task_manager/resource_provider.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/task_manager_mac.h"
 #include "chrome/grit/generated_resources.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace {
 
 class TestResource : public task_manager::Resource {
  public:
   TestResource(const base::string16& title, pid_t pid)
@@ skipping 12 matching lines @@
   void SetSupportNetworkUsage() override { NOTREACHED(); }
   void Refresh() override {}
   base::string16 title_;
   base::string16 profile_name_;
   pid_t pid_;
 };
 
 }  // namespace
 
 class TaskManagerWindowControllerTest : public CocoaTest {
+  content::TestBrowserThreadBundle thread_bundle_;
 };
 
 // Test creation, to ensure nothing leaks or crashes.
 TEST_F(TaskManagerWindowControllerTest, Init) {
   TaskManager task_manager;
   TaskManagerMac* bridge(new TaskManagerMac(&task_manager));
   TaskManagerWindowController* controller = bridge->cocoa_controller();
 
   // Releases the controller, which in turn deletes |bridge|.
   [controller close];
@@ skipping 61 matching lines @@
   NSIndexSet* selection = [table selectedRowIndexes];
   ASSERT_EQ(1u, [selection count]);
   EXPECT_EQ(1u, [selection firstIndex]);
 
   // Releases the controller, which in turn deletes |bridge|.
   [controller close];
 
   task_manager.RemoveResource(&resource1);
   task_manager.RemoveResource(&resource2);
 }