Move DumpBackForwardLists out of WebTestProxyBase.

components/test_runner/web_test_proxy.cc

 // Copyright 2014 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/web_test_proxy.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "components/test_runner/mock_screen_orientation_client.h"
 #include "components/test_runner/test_interfaces.h"
 #include "components/test_runner/test_runner.h"
 #include "components/test_runner/web_test_delegate.h"
 #include "components/test_runner/web_test_interfaces.h"
 
 namespace test_runner {
 
-namespace {
-
-std::string DumpAllBackForwardLists(TestInterfaces* interfaces,
-                                    WebTestDelegate* delegate) {
-  std::string result;
-  const std::vector<WebTestProxyBase*>& window_list =
-      interfaces->GetWindowList();
-  for (size_t i = 0; i < window_list.size(); ++i)
-    result.append(delegate->DumpHistoryForWindow(window_list.at(i)));
-  return result;
-}
-
-}  // namespace
-
 WebTestProxyBase::WebTestProxyBase()
     : test_interfaces_(nullptr),
       delegate_(nullptr),
       web_view_(nullptr),
       web_widget_(nullptr) {}
 
 WebTestProxyBase::~WebTestProxyBase() {
   test_interfaces_->WindowClosed(this);
 }
 
 void WebTestProxyBase::SetInterfaces(WebTestInterfaces* interfaces) {
   test_interfaces_ = interfaces->GetTestInterfaces();
   test_interfaces_->WindowOpened(this);
 }
 
-std::string WebTestProxyBase::DumpBackForwardLists() {
-  return DumpAllBackForwardLists(test_interfaces_, delegate_);
-}
-
 void WebTestProxyBase::GetScreenOrientationForTesting(
     blink::WebScreenInfo& screen_info) {
   MockScreenOrientationClient* mock_client =
       test_interfaces_->GetTestRunner()->getMockScreenOrientationClient();
   if (mock_client->IsDisabled())
     return;
   // Override screen orientation information with mock data.
   screen_info.orientationType = mock_client->CurrentOrientationType();
   screen_info.orientationAngle = mock_client->CurrentOrientationAngle();
 }
 
 }  // namespace test_runner