Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/FontFallbackList.h

Index: Source/core/platform/graphics/FontFallbackList.h
diff --git a/Source/core/platform/graphics/FontFallbackList.h b/Source/core/platform/graphics/FontFallbackList.h
deleted file mode 100644
index 5964bba4128aa58e696e03f6396bddbaea8b3e64..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/FontFallbackList.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (C) 2006, 2010 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 FontFallbackList_h
-#define FontFallbackList_h
-
-#include "core/platform/graphics/SimpleFontData.h"
-#include "platform/fonts/FontSelector.h"
-#include "platform/fonts/WidthCache.h"
-#include "wtf/Forward.h"
-#include "wtf/MainThread.h"
-
-namespace WebCore {
-
-class GlyphPageTreeNode;
-class GraphicsContext;
-class IntRect;
-class FontDescription;
-class FontPlatformData;
-class FontSelector;
-
-const int cAllFamiliesScanned = -1;
-
-class FontFallbackList : public RefCounted<FontFallbackList> {
-    WTF_MAKE_NONCOPYABLE(FontFallbackList);
-public:
-    typedef HashMap<int, GlyphPageTreeNode*, DefaultHash<int>::Hash> GlyphPages;
-
-    class GlyphPagesStateSaver {
-    public:
-        GlyphPagesStateSaver(FontFallbackList& fallbackList)
-            : m_fallbackList(fallbackList)
-            , m_pages(fallbackList.m_pages)
-            , m_pageZero(fallbackList.m_pageZero)
-        {
-        }
-
-        ~GlyphPagesStateSaver()
-        {
-            m_fallbackList.m_pages = m_pages;
-            m_fallbackList.m_pageZero = m_pageZero;
-        }
-
-    private:
-        FontFallbackList& m_fallbackList;
-        GlyphPages& m_pages;
-        GlyphPageTreeNode* m_pageZero;
-    };
-
-    static PassRefPtr<FontFallbackList> create() { return adoptRef(new FontFallbackList()); }
-
-    ~FontFallbackList() { releaseFontData(); }
-    void invalidate(PassRefPtr<FontSelector>);
-
-    bool isFixedPitch(const FontDescription& fontDescription) const
-    {
-        if (m_pitch == UnknownPitch)
-            determinePitch(fontDescription);
-        return m_pitch == FixedPitch;
-    }
-    void determinePitch(const FontDescription&) const;
-
-    bool loadingCustomFonts() const;
-
-    FontSelector* fontSelector() const { return m_fontSelector.get(); }
-    // FIXME: It should be possible to combine fontSelectorVersion and generation.
-    unsigned fontSelectorVersion() const { return m_fontSelectorVersion; }
-    unsigned generation() const { return m_generation; }
-
-    WidthCache& widthCache() const { return m_widthCache; }
-
-private:
-    FontFallbackList();
-
-    const SimpleFontData* primarySimpleFontData(const FontDescription& fontDescription)
-    {
-        ASSERT(isMainThread());
-        if (!m_cachedPrimarySimpleFontData)
-            m_cachedPrimarySimpleFontData = primaryFontData(fontDescription)->fontDataForCharacter(' ');
-        return m_cachedPrimarySimpleFontData;
-    }
-
-    PassRefPtr<FontData> getFontData(const FontDescription&, int& familyIndex) const;
-
-    const FontData* primaryFontData(const FontDescription&) const;
-    const FontData* fontDataAt(const FontDescription&, unsigned index) const;
-
-    void setPlatformFont(const FontPlatformData&);
-
-    void releaseFontData();
-
-    mutable Vector<RefPtr<FontData>, 1> m_fontList;
-    mutable GlyphPages m_pages;
-    mutable GlyphPageTreeNode* m_pageZero;
-    mutable const SimpleFontData* m_cachedPrimarySimpleFontData;
-    RefPtr<FontSelector> m_fontSelector;
-    mutable WidthCache m_widthCache;
-    unsigned m_fontSelectorVersion;
-    mutable int m_familyIndex;
-    unsigned short m_generation;
-    mutable unsigned m_pitch : 3; // Pitch
-    mutable bool m_loadingCustomFonts : 1;
-
-    friend class Font;
-};
-
-}
-
-#endif