Autosizing storage doesnot belong on FrameView

Source/core/frame/FrameViewAutoSizeInfo.h

Index: Source/core/frame/FrameViewAutoSizeInfo.h
diff --git a/Source/core/frame/FrameViewAutoSizeInfo.h b/Source/core/frame/FrameViewAutoSizeInfo.h
new file mode 100644
index 0000000000000000000000000000000000000000..62617b09a92ff267dc6d07e8237b168a81cdc3cd
--- /dev/null
+++ b/Source/core/frame/FrameViewAutoSizeInfo.h
@@ -0,0 +1,43 @@
+// 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.
+
+#ifndef FrameViewAutoSizeInfo_h
+#define FrameViewAutoSizeInfo_h
+
+#include "platform/geometry/IntSize.h"
+#include "wtf/FastAllocBase.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/RefPtr.h"
+
+namespace blink {
+
+class FrameView;
+
+class FrameViewAutoSizeInfo {
+    WTF_MAKE_NONCOPYABLE(FrameViewAutoSizeInfo);
+    WTF_MAKE_FAST_ALLOCATED;
+
+public:
+    FrameViewAutoSizeInfo(FrameView*);
+    ~FrameViewAutoSizeInfo();
+    void configureAutoSizeMode(const IntSize& minSize, const IntSize& maxSize);
+    void autoSizeIfNeeded();
+
+private:
+    void removeAutoSizeMode();
+
+    RefPtr<FrameView> m_frameView;
+
+    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;
+};
+
+} // namespace blink
+
+#endif // FrameViewAutoSizeInfo_h