Add abstractions that let embedders drive tests of WebContents.

chrome/browser/ui/find_bar/find_backend_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 "base/string16.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/find_bar/find_bar_state.h"
 #include "chrome/browser/ui/find_bar/find_bar_state_factory.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/tab_contents/test_tab_contents_wrapper.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/testing_profile.h"
-#include "content/browser/tab_contents/test_tab_contents.h"
+#include "content/public/browser/web_contents.h"
 #include "content/test/test_browser_thread.h"
+#include "content/test/web_contents_tester.h"
 
 using content::BrowserThread;
+using content::WebContents;
+using content::WebContentsTester;
 
 class FindBackendTest : public TabContentsWrapperTestHarness {
  public:
   FindBackendTest()
       : TabContentsWrapperTestHarness(),
         browser_thread_(BrowserThread::UI, &message_loop_) {}
 
  private:
   content::TestBrowserThread browser_thread_;
 };
 
 namespace {
 
-string16 FindPrepopulateText(TabContents* contents) {
+string16 FindPrepopulateText(WebContents* contents) {
   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
   return FindBarStateFactory::GetLastPrepopulateText(profile);
 }
 
 }  // end namespace
 
 // This test takes two TabContents objects, searches in both of them and
 // tests the internal state for find_text and find_prepopulate_text.
 TEST_F(FindBackendTest, InternalState) {
   FindTabHelper* find_tab_helper = contents_wrapper()->find_tab_helper();
   // Initial state for the TabContents is blank strings.
   EXPECT_EQ(string16(), FindPrepopulateText(contents()));
   EXPECT_EQ(string16(), find_tab_helper->find_text());
 
   // Get another TabContents object ready.
-  TestTabContents* contents2 = new TestTabContents(profile(), NULL);
+  WebContents* contents2 =
+      WebContentsTester::CreateTestWebContents(profile(), NULL);
   TabContentsWrapper wrapper2(contents2);
   FindTabHelper* find_tab_helper2 = wrapper2.find_tab_helper();
 
   // No search has still been issued, strings should be blank.
   EXPECT_EQ(string16(), FindPrepopulateText(contents()));
   EXPECT_EQ(string16(), find_tab_helper->find_text());
   EXPECT_EQ(string16(), FindPrepopulateText(contents2));
   EXPECT_EQ(string16(), find_tab_helper2->find_text());
 
   string16 search_term1 = ASCIIToUTF16(" I had a 401K    ");
@@ skipping 26 matching lines @@
   // find_tab_helper (as indicated by the last two params).
   find_tab_helper->StartFinding(search_term3, true, false);
 
   // Once more, pre-populate string should always match between the two, but
   // find_text should not.
   EXPECT_EQ(search_term3, FindPrepopulateText(contents()));
   EXPECT_EQ(search_term3, find_tab_helper->find_text());
   EXPECT_EQ(search_term3, FindPrepopulateText(contents2));
   EXPECT_EQ(search_term2, find_tab_helper2->find_text());
 }