Add TestBrowserThreadBundle into RenderViewHostTestHarness. Kill some unnecessary real threads.

components/autofill/browser/autocomplete_history_manager_unittest.cc

 // 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.
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/prefs/testing_pref_service.h"
+#include "base/run_loop.h"
 #include "base/string16.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/webdata/web_data_service_factory.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/autofill/browser/autocomplete_history_manager.h"
 #include "components/autofill/browser/autofill_external_delegate.h"
 #include "components/autofill/browser/autofill_manager.h"
 #include "components/autofill/browser/test_autofill_manager_delegate.h"
 #include "components/autofill/browser/webdata/autofill_webdata_service.h"
 #include "components/autofill/common/form_data.h"
 #include "components/webdata/common/web_data_service_test_util.h"
 #include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/rect.h"
 
-using content::BrowserThread;
 using content::WebContents;
 using testing::_;
 
 namespace autofill {
 
 namespace {
 
 class MockWebDataService : public AutofillWebDataService {
  public:
   MockWebDataService()
@@ skipping 47 matching lines @@
  private:
   TestingPrefServiceSimple prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(MockAutofillManagerDelegate);
 };
 
 }  // namespace
 
 class AutocompleteHistoryManagerTest : public ChromeRenderViewHostTestHarness {
  protected:
-  AutocompleteHistoryManagerTest()
-      : ui_thread_(BrowserThread::UI, &message_loop_),
-        db_thread_(BrowserThread::DB) {
-  }
-
   virtual void SetUp() OVERRIDE {
-    db_thread_.Start();
     ChromeRenderViewHostTestHarness::SetUp();
     web_data_service_ = new MockWebDataService();
     WebDataServiceFactory::GetInstance()->SetTestingFactory(
         profile(), MockWebDataServiceWrapperCurrent::Build);
     autocomplete_manager_.reset(new AutocompleteHistoryManager(web_contents()));
   }
 
   virtual void TearDown() OVERRIDE {
     autocomplete_manager_.reset();
     web_data_service_ = NULL;
     ChromeRenderViewHostTestHarness::TearDown();
-    content::RunAllPendingInMessageLoop(BrowserThread::DB);
-    message_loop_.RunUntilIdle();
-
   }
 
-  content::TestBrowserThread ui_thread_;
-  content::TestBrowserThread db_thread_;
   scoped_refptr<MockWebDataService> web_data_service_;
   scoped_ptr<AutocompleteHistoryManager> autocomplete_manager_;
   MockAutofillManagerDelegate manager_delegate;
 };
 
 // Tests that credit card numbers are not sent to the WebDatabase to be saved.
 TEST_F(AutocompleteHistoryManagerTest, CreditCardNumberValue) {
   FormData form;
   form.name = ASCIIToUTF16("MyForm");
   form.method = ASCIIToUTF16("POST");
@@ skipping 130 matching lines @@
 
   MockAutofillExternalDelegate external_delegate(web_contents());
   autocomplete_history_manager.SetExternalDelegate(&external_delegate);
 
   // Should trigger a call to OnSuggestionsReturned, verified by the mock.
   EXPECT_CALL(external_delegate, OnSuggestionsReturned(_, _, _, _, _));
   autocomplete_history_manager.SendSuggestions(NULL);
 }
 
 }  // namespace autofill