Autosizing storage doesnot belong on FrameView

Source/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 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
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #ifndef FrameView_h
 #define FrameView_h
 
+#include "core/frame/FrameViewAutoSizeInfo.h"
 #include "core/rendering/PaintPhase.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/scroll/ScrollView.h"
 #include "wtf/Forward.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
@@ skipping 300 matching lines @@
     virtual bool isFrameView() const OVERRIDE { return true; }
 
     friend class RenderWidget;
 
     bool contentsInCompositedLayer() const;
 
     void applyOverflowToViewportAndSetRenderer(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode);
     void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow);
 
     void updateCounters();
-    void autoSizeIfEnabled();
     void forceLayoutParentViewIfNeeded();
     void performPreLayoutTasks();
     void performLayout(RenderObject* rootForThisLayout, bool inSubtreeLayout);
     void scheduleOrPerformPostLayoutTasks();
     void performPostLayoutTasks();
 
     void invalidateTreeIfNeeded();
 
     void gatherDebugLayoutRects(RenderObject* layoutRoot);
 
@@ skipping 38 matching lines @@
     AXObjectCache* axObjectCache() const;
     void removeFromAXObjectCache();
 
     void setLayoutSizeInternal(const IntSize&);
 
     bool paintInvalidationIsAllowed() const
     {
         return !isInPerformLayout() || canInvalidatePaintDuringPerformLayout();
     }
 
+    FrameViewAutoSizeInfo& autoSizeInfo()
+    {
+        if (!m_autoSizeInfo)
+            m_autoSizeInfo = adoptPtr(new FrameViewAutoSizeInfo(this));

[eseidel, 2014/08/19 16:35:00]

Note that the way this is designed, we're always going to allocate one of these
the first time we go through layout.

[Shanmuga Pandi, 2014/08/20 14:54:12]

Changed logic.

+        return *m_autoSizeInfo.get();
+    }
+
     static double s_currentFrameTimeStamp; // used for detecting decoded resource thrash in the cache
     static bool s_inPaintContents;
 
     LayoutSize m_size;
 
     typedef WillBeHeapHashSet<RefPtrWillBeMember<RenderEmbeddedObject> > EmbeddedObjectSet;
     WillBePersistentHeapHashSet<RefPtrWillBeMember<RenderEmbeddedObject> > m_widgetUpdateSet;
 
     // FIXME: These are just "children" of the FrameView and should be RefPtr<Widget> instead.
     WillBePersistentHeapHashSet<RefPtrWillBeMember<RenderWidget> > m_widgets;
@@ skipping 48 matching lines @@
     unsigned m_visuallyNonEmptyCharacterCount;
     unsigned m_visuallyNonEmptyPixelCount;
     bool m_isVisuallyNonEmpty;
     bool m_firstVisuallyNonEmptyLayoutCallbackPending;
 
     RefPtrWillBePersistent<Node> m_maintainScrollPositionAnchor;
 
     // Renderer to hold our custom scroll corner.
     RawPtrWillBePersistent<RenderScrollbarPart> m_scrollCorner;
 
-    // If true, automatically resize the frame view around its content.
-    bool m_shouldAutoSize;
-    bool m_inAutoSize;
-    // True if autosize has been run since m_shouldAutoSize was set.
-    bool m_didRunAutosize;
-    // The lower bound on the size when autosizing.
-    IntSize m_minAutoSize;
-    // The upper bound on the size when autosizing.
-    IntSize m_maxAutoSize;
-
     OwnPtr<ScrollableAreaSet> m_scrollableAreas;
     OwnPtr<ResizerAreaSet> m_resizerAreas;
     OwnPtr<ViewportConstrainedObjectSet> m_viewportConstrainedObjects;
+    OwnPtr<FrameViewAutoSizeInfo> m_autoSizeInfo;
 
     bool m_hasSoftwareFilters;
 
     float m_visibleContentScaleFactor;
     IntSize m_inputEventsOffsetForEmulation;
     float m_inputEventsScaleFactorForEmulation;
 
     IntSize m_layoutSize;
     bool m_layoutSizeFixedToFrameSize;
 
@@ skipping 47 matching lines @@
         m_view->setCanInvalidatePaintDuringPerformLayout(m_originalValue);
     }
 private:
     FrameView* m_view;
     bool m_originalValue;
 };
 
 } // namespace blink
 
 #endif // FrameView_h