Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/GraphicsContextStateSaver.h

Index: Source/core/platform/graphics/GraphicsContextStateSaver.h
diff --git a/Source/core/platform/graphics/GraphicsContextStateSaver.h b/Source/core/platform/graphics/GraphicsContextStateSaver.h
deleted file mode 100644
index c4b0be58df3270a058a5e66e112450d2621da87d..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/GraphicsContextStateSaver.h
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright (C) 2013 Google Inc. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//    * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//    * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//    * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef GraphicsContextStateSaver_h
-#define GraphicsContextStateSaver_h
-
-#include "core/platform/graphics/GraphicsContext.h"
-
-namespace WebCore {
-
-class GraphicsContextStateSaver {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    GraphicsContextStateSaver(GraphicsContext& context, bool saveAndRestore = true)
-        : m_context(context)
-        , m_saveAndRestore(saveAndRestore)
-    {
-        if (m_saveAndRestore)
-            m_context.save();
-    }
-
-    ~GraphicsContextStateSaver()
-    {
-        if (m_saveAndRestore)
-            m_context.restore();
-    }
-
-    void save()
-    {
-        ASSERT(!m_saveAndRestore);
-        m_context.save();
-        m_saveAndRestore = true;
-    }
-
-    void restore()
-    {
-        ASSERT(m_saveAndRestore);
-        m_context.restore();
-        m_saveAndRestore = false;
-    }
-
-    GraphicsContext* context() const { return &m_context; }
-    bool saved() const { return m_saveAndRestore; }
-
-private:
-    GraphicsContext& m_context;
-    bool m_saveAndRestore;
-};
-
-} // namespace WebCore
-
-#endif // GraphicsContextStateSaver_h