Add abstractions that let embedders drive tests of WebContents.

chrome/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/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/test_autofill_external_delegate.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/webdata/web_data_service.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 "content/browser/tab_contents/test_tab_contents.h"
 #include "content/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/rect.h"
 #include "webkit/forms/form_data.h"
 
 using content::BrowserThread;
 using content::WebContents;
 using testing::_;
 using webkit::forms::FormData;
@@ skipping 156 matching lines @@
       &profile_, web_data_service_);
 
   MockAutofillExternalDelegate external_delegate(
       TabContentsWrapper::GetCurrentWrapperForContents(contents()));
   EXPECT_CALL(external_delegate, OnSuggestionsReturned(_, _,  _,  _,  _));
   autocomplete_history_manager.SetExternalDelegate(&external_delegate);
 
   // Should trigger a call to OnSuggestionsReturned, verified by the mock.
   autocomplete_history_manager.SendSuggestions(NULL);
 }