Moving GraphicsContext and dependencies from core to platform.

Source/platform/graphics/Path.h

 /*
  * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
  *               2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  * 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:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 11 matching lines @@
  * 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 Path_h
 #define Path_h
 
+#include "platform/PlatformExport.h"
 #include "platform/geometry/RoundedRect.h"
 #include "platform/graphics/WindRule.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "wtf/FastAllocBase.h"
 #include "wtf/Forward.h"
 
 class SkPath;
 
 namespace WebCore {
 
@@ skipping 15 matching lines @@
 // The points in the sturcture are the same as those that would be used with the
 // add... method. For example, a line returns the endpoint, while a cubic returns
 // two tangent points and the endpoint.
 struct PathElement {
     PathElementType type;
     FloatPoint* points;
 };
 
 typedef void (*PathApplierFunction)(void* info, const PathElement*);
 
-class Path {
+class PLATFORM_EXPORT Path {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     Path();
     ~Path();
 
     Path(const Path&);
     Path& operator=(const Path&);
     bool operator==(const Path&) const;
 
     bool contains(const FloatPoint&, WindRule = RULE_NONZERO) const;
@@ skipping 47 matching lines @@
 
 private:
     void addEllipse(const FloatPoint&, float radiusX, float radiusY, float startAngle, float endAngle, bool anticlockwise);
 
     SkPath m_path;
 };
 
 }
 
 #endif