Add abstractions that let embedders drive tests of WebContents.

chrome/browser/ui/cocoa/web_intent_sheet_controller_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.
 
 #include "base/basictypes.h"
 #include "base/message_loop.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/hover_close_button.h"
 #import "chrome/browser/ui/cocoa/hyperlink_button_cell.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #import "chrome/browser/ui/cocoa/web_intent_sheet_controller.h"
 #include "chrome/browser/ui/cocoa/web_intent_picker_cocoa.h"
 #include "chrome/browser/ui/intents/web_intent_picker_delegate.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"
 
 namespace {
 
 class MockIntentPickerDelegate : public WebIntentPickerDelegate {
  public:
   virtual ~MockIntentPickerDelegate() {}
 
   MOCK_METHOD2(OnServiceChosen, void(const GURL& url, Disposition disposition));
@@ skipping 197 matching lines @@
   ASSERT_TRUE([[[item_view subviews] objectAtIndex:1]
       isKindOfClass:[NSButton class]]);
   NSButton* title_button = [[item_view subviews] objectAtIndex:1];
   CheckButton(title_button, @selector(openExtensionLink:));
 
   ASSERT_TRUE([[[item_view subviews] objectAtIndex:7]
       isKindOfClass:[NSButton class]]);
   NSButton* add_button = [[item_view subviews] objectAtIndex:7];
   CheckButton(add_button, @selector(invokeService:));
 }