Explicitly initialize secondary renderers for layout tests.

content/shell/renderer/layout_test/layout_test_render_thread_observer.cc

 // Copyright (c) 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 "content/shell/renderer/layout_test/layout_test_render_thread_observer.h"
 
 #include "base/command_line.h"
-#include "components/test_runner/event_sender.h"
 #include "components/test_runner/test_interfaces.h"
 #include "components/test_runner/web_test_interfaces.h"
 #include "content/common/input/input_event_utils.h"
 #include "content/public/common/content_client.h"
 #include "content/public/renderer/render_thread.h"
-#include "content/public/renderer/render_view.h"
 #include "content/public/test/layouttest_support.h"
 #include "content/shell/common/layout_test/layout_test_switches.h"
 #include "content/shell/common/shell_messages.h"
 #include "content/shell/renderer/layout_test/blink_test_runner.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
-#include "third_party/WebKit/public/web/WebView.h"
 #include "v8/include/v8.h"
 
 using blink::WebFrame;
 using blink::WebRuntimeFeatures;
 
 namespace content {
 
 namespace {
 LayoutTestRenderThreadObserver* g_instance = NULL;
 }
 
 // static
 LayoutTestRenderThreadObserver*
 LayoutTestRenderThreadObserver::GetInstance() {
   return g_instance;
 }
 
 LayoutTestRenderThreadObserver::LayoutTestRenderThreadObserver()
-    : main_test_runner_(NULL),
-      test_delegate_(NULL) {
+    : test_delegate_(nullptr) {
   CHECK(!g_instance);
   g_instance = this;
   RenderThread::Get()->AddObserver(this);
   EnableRendererLayoutTestMode();
 
   // We always expose GC to layout tests.
   std::string flags("--expose-gc");
   v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
 
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 18 matching lines @@
   CHECK(g_instance == this);
   g_instance = NULL;
 }
 
 void LayoutTestRenderThreadObserver::SetTestDelegate(
     test_runner::WebTestDelegate* delegate) {
   test_interfaces_->SetDelegate(delegate);
   test_delegate_ = delegate;
 }
 
-void LayoutTestRenderThreadObserver::SetMainWindow(RenderView* view) {
-  BlinkTestRunner* test_runner = BlinkTestRunner::Get(view);
-  test_interfaces_->SetWebView(view->GetWebView(), test_runner->proxy());
-  main_test_runner_ = test_runner;
-}
-
 void LayoutTestRenderThreadObserver::OnRenderProcessShutdown() {
   test_interfaces_.reset();
 }
 
 bool LayoutTestRenderThreadObserver::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(LayoutTestRenderThreadObserver, message)
     IPC_MESSAGE_HANDLER(ShellViewMsg_SetWebKitSourceDir, OnSetWebKitSourceDir)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void LayoutTestRenderThreadObserver::OnSetWebKitSourceDir(
     const base::FilePath& webkit_source_dir) {
   webkit_source_dir_ = webkit_source_dir;
 }
 
 }  // namespace content