Add abstractions that let embedders drive tests of WebContents.

chrome/browser/automation/automation_tab_helper_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 <map>
 
 #include "base/basictypes.h"
 #include "chrome/browser/automation/automation_tab_helper.h"
 #include "chrome/browser/automation/mock_tab_event_observer.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/tab_contents/test_tab_contents_wrapper.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"
 
 using content::BrowserThread;
 using testing::_;
 
 class AutomationTabHelperTest : public TabContentsWrapperTestHarness {
  public:
   AutomationTabHelperTest()
@@ skipping 182 matching lines @@
 
   testing::InSequence expect_in_sequence;
   EXPECT_CALL(mock_observer_, OnFirstPendingLoad(contents()));
   EXPECT_CALL(mock_observer_, OnNoMorePendingLoads(contents()));
 
   StartLoading();
   WillPerformClientRedirect(1);
   TabContentsDestroyed();
   EXPECT_FALSE(tab_helper()->has_pending_loads());
 }