Remove most of the remaining test dependencies (other than chrome/test).

chrome/browser/errorpage_uitest.cc

 // Copyright (c) 2011 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/string_util.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/platform_thread.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
-#include "chrome/browser/net/url_request_failed_dns_job.h"
-#include "chrome/browser/net/url_request_mock_http_job.h"
+#include "content/browser/net/url_request_failed_dns_job.h"
+#include "content/browser/net/url_request_mock_http_job.h"
 #include "net/test/test_server.h"
 
 class ErrorPageTest : public UITest {
  protected:
   bool WaitForTitleMatching(const std::wstring& title) {
     for (int i = 0; i < 10; ++i) {
       if (GetActiveTabTitle() == title)
         return true;
       base::PlatformThread::Sleep(TestTimeouts::action_timeout_ms());
     }
@@ skipping 161 matching lines @@
   EXPECT_TRUE(WaitForTitleMatching(L"Blah"));
 }
 
 // Checks that the Link Doctor is not loaded when we receive an actual 404 page.
 TEST_F(ErrorPageTest, Page404) {
   NavigateToURL(URLRequestMockHTTPJob::GetMockUrl(
                     FilePath(FILE_PATH_LITERAL("page404.html"))));
 
   EXPECT_TRUE(WaitForTitleMatching(L"SUCCESS"));
 }