Make SVG*StringList and SVGStringListTearOff scarcer

third_party/WebKit/Source/core/svg/SVGViewElement.h

Index: third_party/WebKit/Source/core/svg/SVGViewElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGViewElement.h b/third_party/WebKit/Source/core/svg/SVGViewElement.h
index 7b02eee90e92951a0a89f334fbc340448d123a58..d25c2998e8859d6e939f4adaa817ef345a63f2c6 100644
--- a/third_party/WebKit/Source/core/svg/SVGViewElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGViewElement.h
@@ -21,16 +21,16 @@
 #ifndef SVGViewElement_h
 #define SVGViewElement_h
 
-#include "core/SVGNames.h"
-#include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGFitToViewBox.h"
-#include "core/svg/SVGStaticStringList.h"
 #include "core/svg/SVGZoomAndPan.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
+class SVGStaticStringList;
+class SVGStringListTearOff;
+
 class SVGViewElement final : public SVGElement,
                              public SVGFitToViewBox,
                              public SVGZoomAndPan {
@@ -39,7 +39,7 @@ class SVGViewElement final : public SVGElement,
 public:
     DECLARE_NODE_FACTORY(SVGViewElement);
 
-    SVGStringListTearOff* viewTarget() { return m_viewTarget->tearOff(); }
+    SVGStringListTearOff* viewTarget();
 
     DECLARE_VIRTUAL_TRACE();