Framelet Prototype 2016 using Mojo IPC

third_party/WebKit/Source/core/layout/LayoutFramelet.cpp

+// Copyright 2015 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 "core/layout/LayoutFramelet.h"
+
+#include "core/HTMLNames.h"
+#include "core/frame/FrameView.h"
+#include "core/frame/LocalFrame.h"
+#include "core/html/HTMLIFrameElement.h"
+#include "core/layout/LayoutAnalyzer.h"
+#include "core/layout/LayoutView.h"
+
+namespace blink {
+
+using namespace HTMLNames;
+
+LayoutFramelet::LayoutFramelet(Element* element)
+    : LayoutPart(element)
+{
+}
+
+bool LayoutFramelet::shouldComputeSizeAsReplaced() const
+{
+    return true;
+}
+
+bool LayoutFramelet::isInlineBlockOrInlineTable() const
+{
+    return isInline();
+}
+
+PaintLayerType LayoutFramelet::layerTypeRequired() const
+{
+    if (style()->resize() != RESIZE_NONE)
+        return NormalPaintLayer;
+    return LayoutPart::layerTypeRequired();
+}
+
+void LayoutFramelet::layout()
+{
+    ASSERT(needsLayout());
+    LayoutAnalyzer::Scope analyzer(*this);
+
+    updateLogicalWidth();
+    // No kids to layout as a replaced element.
+    updateLogicalHeight();
+
+    m_overflow.clear();
+    addVisualEffectOverflow();
+    updateLayerTransformAfterLayout();
+
+    clearNeedsLayout();
+}
+}