Make Frame's ScriptController an OwnPtr and remove the #include

Source/core/page/Frame.h

Index: Source/core/page/Frame.h
diff --git a/Source/core/page/Frame.h b/Source/core/page/Frame.h
index 9e9f0c856642b589e5f499569a48513e6bdb8b04..04fc71751d7cacfa534d1cd76a92800471ddd55e 100644
--- a/Source/core/page/Frame.h
+++ b/Source/core/page/Frame.h
@@ -37,7 +37,6 @@
 #include "FrameSelection.h"
 #include "FrameTree.h"
 #include "NavigationScheduler.h"
-#include "ScriptController.h"
 
 namespace WebCore {
 
@@ -47,8 +46,8 @@ namespace WebCore {
     class HTMLTableCellElement;
     class RegularExpression;
     class RenderPart;
-
     class TreeScope;
+    class ScriptController;
 
     enum {
         LayerTreeFlagsIncludeDebugInfo = 1 << 0,
@@ -178,7 +177,7 @@ namespace WebCore {
         RefPtr<FrameView> m_view;
         RefPtr<Document> m_doc;
 
-        ScriptController m_script;
+        OwnPtr<ScriptController> m_script;
 
         mutable Editor m_editor;
         mutable FrameSelection m_selection;
@@ -217,7 +216,7 @@ namespace WebCore {
 
     inline ScriptController* Frame::script()
     {
-        return &m_script;
+        return m_script.get();
     }
 
     inline Document* Frame::document() const