Moving GraphicsContext and dependencies from core to platform.

Source/platform/scroll/ScrollAnimatorNone.h

Index: Source/platform/scroll/ScrollAnimatorNone.h
diff --git a/Source/core/platform/ScrollAnimatorNone.h b/Source/platform/scroll/ScrollAnimatorNone.h
similarity index 96%
rename from Source/core/platform/ScrollAnimatorNone.h
rename to Source/platform/scroll/ScrollAnimatorNone.h
index 7734c4dd26f1b2f4c56917c074772387954b069d..8f92eb872e2b1c59e7c994b872718dd51c5ef0d9 100644
--- a/Source/core/platform/ScrollAnimatorNone.h
+++ b/Source/platform/scroll/ScrollAnimatorNone.h
@@ -31,10 +31,9 @@
 #ifndef ScrollAnimatorNone_h
 #define ScrollAnimatorNone_h
 
-#include "core/platform/ScrollAnimator.h"
 #include "platform/Timer.h"
 #include "platform/geometry/FloatPoint.h"
-#include "wtf/OwnPtr.h"
+#include "platform/scroll/ScrollAnimator.h"
 
 class ScrollAnimatorNoneTest;
 
@@ -44,7 +43,7 @@ class IntPoint;
 class ActivePlatformGestureAnimation;
 struct ScrollAnimatorParameters;
 
-class ScrollAnimatorNone : public ScrollAnimator {
+class PLATFORM_EXPORT ScrollAnimatorNone : public ScrollAnimator {
 public:
     explicit ScrollAnimatorNone(ScrollableArea*);
     virtual ~ScrollAnimatorNone();
@@ -67,7 +66,7 @@ public:
         Bounce
     };
 
-    struct Parameters {
+    struct PLATFORM_EXPORT Parameters {
         Parameters();
         Parameters(bool isEnabled, double animationTime, double repeatMinimumSustainTime, Curve attackCurve, double attackTime, Curve releaseCurve, double releaseTime, Curve coastTimeCurve, double maximumCoastTime);
 
@@ -96,7 +95,7 @@ protected:
 
     friend class ::ScrollAnimatorNoneTest;
 
-    struct PerAxisData {
+    struct PLATFORM_EXPORT PerAxisData {
         PerAxisData(ScrollAnimatorNone* parent, float* currentPos, int visibleLength);
         void reset();
         bool updateDataFromParameters(float step, float multiplier, float scrollableSize, double currentTime, Parameters*);