Move DumpBackForwardLists out of WebTestProxyBase.

content/shell/renderer/layout_test/blink_test_runner.cc

Index: content/shell/renderer/layout_test/blink_test_runner.cc
diff --git a/content/shell/renderer/layout_test/blink_test_runner.cc b/content/shell/renderer/layout_test/blink_test_runner.cc
index 69e558a6c907cce3c32f89a41d2a5ada0e119d66..b66595d48020b3996c9a1f44df8a37ee831a1cc8 100644
--- a/content/shell/renderer/layout_test/blink_test_runner.cc
+++ b/content/shell/renderer/layout_test/blink_test_runner.cc
@@ -592,8 +592,7 @@ bool BlinkTestRunner::AllowExternalPages() {
   return test_config_.allow_external_pages;
 }
 
-std::string BlinkTestRunner::DumpHistoryForWindow(
-    test_runner::WebTestProxyBase* proxy) {
+std::string BlinkTestRunner::DumpHistoryForWindow(blink::WebView* web_view) {
   size_t pos = 0;
   std::vector<int>::iterator id;
   for (id = routing_ids_.begin(); id != routing_ids_.end(); ++id, ++pos) {
@@ -602,7 +601,7 @@ std::string BlinkTestRunner::DumpHistoryForWindow(
       NOTREACHED();
       continue;
     }
-    if (BlinkTestRunner::Get(render_view)->proxy() == proxy)
+    if (render_view->GetWebView() == web_view)
       break;
   }
 
@@ -830,7 +829,8 @@ void BlinkTestRunner::OnLayoutDumpCompleted(std::string completed_layout_dump) {
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderProcessObserver::GetInstance()->test_interfaces();
   if (interfaces->TestRunner()->ShouldDumpBackForwardList()) {
-    completed_layout_dump.append(proxy()->DumpBackForwardLists());
+    for (WebView* web_view : interfaces->GetWindowList())
+      completed_layout_dump.append(DumpHistoryForWindow(web_view));
   }
 
   Send(new ShellViewHostMsg_TextDump(routing_id(), completed_layout_dump));