Move window.close implementation to DOMWindow

Source/core/frame/RemoteDOMWindow.cpp

 // 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 "config.h"
 #include "core/frame/RemoteDOMWindow.h"
 
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "core/css/CSSRuleList.h"
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/css/MediaQueryList.h"
+#include "core/dom/Document.h"
+#include "core/frame/Settings.h"
+#include "core/page/Page.h"
+#include "wtf/MainThread.h"
 
 namespace blink {
 
 ExecutionContext* RemoteDOMWindow::executionContext() const
 {
     return nullptr;
 }
 
 DEFINE_TRACE(RemoteDOMWindow)
 {
@@ skipping 197 matching lines @@
 void RemoteDOMWindow::focus(ExecutionContext* override)
 {
     // FIXME: Implement.
 }
 
 void RemoteDOMWindow::blur()
 {
     // FIXME: Implement.
 }
 
-void RemoteDOMWindow::close(ExecutionContext* override)
+void RemoteDOMWindow::close(ExecutionContext* context)
 {
-    // FIXME: Implement.
+    if (!frame() || !frame()->isMainFrame())
+        return;
+
+    Page* page = frame()->page();
+    if (!page)
+        return;
+
+    if (context) {
+        ASSERT(isMainThread());
+        Document* activeDocument = toDocument(context);
+        if (!activeDocument)
+            return;
+
+        if (!activeDocument->frame() || !activeDocument->frame()->canNavigate(*frame()))
+            return;
+    }
+
+    Settings* settings = frame()->settings();
+    bool allowScriptsToCloseWindows = settings && settings->allowScriptsToCloseWindows();
+
+    if (!page->openedByDOM() && !allowScriptsToCloseWindows)
+        return;

[nasko, 2015/06/11 00:04:39]

Most of the above checks are somewhat redundant between Local and Remote
DOMWindow. Should we pull at least the first few checks up to DOMWindow?

+
+    m_frame->close();
+
+    m_windowIsClosing = true;
 }
 
 void RemoteDOMWindow::print()
 {
     ASSERT_NOT_REACHED();
 }
 
 void RemoteDOMWindow::stop()
 {
     // FIXME: Implement.
@@ skipping 96 matching lines @@
 {
     ASSERT_NOT_REACHED();
 }
 
 RemoteDOMWindow::RemoteDOMWindow(RemoteFrame& frame)
     : m_frame(&frame)
 {
 }
 
 } // namespace blink