Chrome::client() should return a ChromeClient reference.

Source/core/svg/SVGAElement.cpp

Index: Source/core/svg/SVGAElement.cpp
diff --git a/Source/core/svg/SVGAElement.cpp b/Source/core/svg/SVGAElement.cpp
index 23b39ced0d67dbc77428bdd6e7cf5fedcd62c5e5..eb0cc34939a9ef9b76ef90d0e31e2c68e6468793 100644
--- a/Source/core/svg/SVGAElement.cpp
+++ b/Source/core/svg/SVGAElement.cpp
@@ -222,11 +222,9 @@ bool SVGAElement::isKeyboardFocusable(KeyboardEvent*) const
     if (!isFocusable())
         return false;
 
-    Page* page = document()->page();
-    if (!page)
-        return false;
-
-    return page->chrome().client()->tabsToLinks();
+    if (Page* page = document()->page())
+        return page->chrome().client().tabsToLinks();
+    return false;
 }
 
 bool SVGAElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const