Move //components/test_runner back into //content/shell

components/test_runner/mock_web_document_subresource_filter.cc

-// Copyright 2016 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 "components/test_runner/mock_web_document_subresource_filter.h"
-
-#include <algorithm>
-
-#include "base/strings/string_util.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "url/gurl.h"
-
-namespace test_runner {
-
-MockWebDocumentSubresourceFilter::MockWebDocumentSubresourceFilter(
-    const std::vector<std::string>& disallowed_path_suffixes)
-    : disallowed_path_suffixes_(disallowed_path_suffixes) {}
-
-MockWebDocumentSubresourceFilter::~MockWebDocumentSubresourceFilter() {}
-
-blink::WebDocumentSubresourceFilter::LoadPolicy
-MockWebDocumentSubresourceFilter::getLoadPolicy(
-    const blink::WebURL& resource_url,
-    blink::WebURLRequest::RequestContext /* ignored */) {
-  const std::string resource_path(GURL(resource_url).path());
-  return std::find_if(disallowed_path_suffixes_.begin(),
-                      disallowed_path_suffixes_.end(),
-                      [&resource_path](const std::string& suffix) {
-                        return base::EndsWith(resource_path, suffix,
-                                              base::CompareCase::SENSITIVE);
-                      }) == disallowed_path_suffixes_.end()
-             ? Allow
-             : Disallow;
-}
-
-void MockWebDocumentSubresourceFilter::reportDisallowedLoad() {}
-
-}  // namespace test_runner