Use C++11 features in core/html

Source/core/html/HTMLFrameOwnerElement.cpp

 /*
  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 20 matching lines @@
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/plugins/PluginView.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderPart.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
 #include "platform/weborigin/SecurityOrigin.h"
 
 namespace blink {
 
-typedef WillBeHeapHashMap<RefPtrWillBeMember<Widget>, RawPtrWillBeMember<FrameView> > WidgetToParentMap;
+typedef WillBeHeapHashMap<RefPtrWillBeMember<Widget>, RawPtrWillBeMember<FrameView>> WidgetToParentMap;
 static WidgetToParentMap& widgetNewParentMap()
 {
     DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<WidgetToParentMap>, map, (adoptPtrWillBeNoop(new WidgetToParentMap())));
     return *map;
 }
 
-WillBeHeapHashCountedSet<RawPtrWillBeMember<Node> >& SubframeLoadingDisabler::disabledSubtreeRoots()
+WillBeHeapHashCountedSet<RawPtrWillBeMember<Node>>& SubframeLoadingDisabler::disabledSubtreeRoots()
 {
-    DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<WillBeHeapHashCountedSet<RawPtrWillBeMember<Node> > >, nodes, (adoptPtrWillBeNoop(new WillBeHeapHashCountedSet<RawPtrWillBeMember<Node> >())));
+    DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<WillBeHeapHashCountedSet<RawPtrWillBeMember<Node>>>, nodes, (adoptPtrWillBeNoop(new WillBeHeapHashCountedSet<RawPtrWillBeMember<Node>>())));
     return *nodes;
 }
 
 static unsigned s_updateSuspendCount = 0;
 
 HTMLFrameOwnerElement::UpdateSuspendScope::UpdateSuspendScope()
 {
     ++s_updateSuspendCount;
 }
 
 void HTMLFrameOwnerElement::UpdateSuspendScope::performDeferredWidgetTreeOperations()
 {
     WidgetToParentMap map;
     widgetNewParentMap().swap(map);
-    WidgetToParentMap::iterator end = map.end();
-    for (WidgetToParentMap::iterator it = map.begin(); it != end; ++it) {
-        Widget* child = it->key.get();
+    for (const auto& widget : map) {
+        Widget* child = widget.key.get();
         FrameView* currentParent = toFrameView(child->parent());
-        FrameView* newParent = it->value;
+        FrameView* newParent = widget.value;
         if (newParent != currentParent) {
             if (currentParent)
                 currentParent->removeChild(child);
             if (newParent)
                 newParent->addChild(child);
 #if ENABLE(OILPAN)
             if (currentParent && !newParent)
                 child->dispose();
 #endif
         }
@@ skipping 30 matching lines @@
     , m_widget(nullptr)
     , m_sandboxFlags(SandboxNone)
 {
 }
 
 RenderPart* HTMLFrameOwnerElement::renderPart() const
 {
     // HTMLObjectElement and HTMLEmbedElement may return arbitrary renderers
     // when using fallback content.
     if (!renderer() || !renderer()->isRenderPart())
-        return 0;
+        return nullptr;
     return toRenderPart(renderer());
 }
 
 void HTMLFrameOwnerElement::setContentFrame(Frame& frame)
 {
     // Make sure we will not end up with two frames referencing the same owner element.
     ASSERT(!m_contentFrame || m_contentFrame->owner() != this);
     // Disconnected frames should not be allowed to load.
     ASSERT(inDocument());
     m_contentFrame = &frame;
@@ skipping 64 matching lines @@
 void HTMLFrameOwnerElement::dispatchLoad()
 {
     dispatchEvent(Event::create(EventTypeNames::load));
 }
 
 Document* HTMLFrameOwnerElement::getSVGDocument(ExceptionState& exceptionState) const
 {
     Document* doc = contentDocument();
     if (doc && doc->isSVGDocument())
         return doc;
-    return 0;
+    return nullptr;
 }
 
 void HTMLFrameOwnerElement::setWidget(PassRefPtrWillBeRawPtr<Widget> widget)
 {
     if (widget == m_widget)
         return;
 
     if (m_widget) {
         if (m_widget->parent())
             moveWidgetToParentSoon(m_widget.get(), 0);
@@ skipping 45 matching lines @@
 void HTMLFrameOwnerElement::trace(Visitor* visitor)
 {
     visitor->trace(m_contentFrame);
     visitor->trace(m_widget);
     HTMLElement::trace(visitor);
     FrameOwner::trace(visitor);
 }
 
 
 } // namespace blink