Assume FrameView::m_frame is never NULL

Source/core/accessibility/AccessibilityRenderObject.cpp

Index: Source/core/accessibility/AccessibilityRenderObject.cpp
diff --git a/Source/core/accessibility/AccessibilityRenderObject.cpp b/Source/core/accessibility/AccessibilityRenderObject.cpp
index 6c7b0b8da315d891cd1ce5dea6d6485e0ef2b71c..d9e3c610abacf97e033790674c1db9a75daa1c21 100644
--- a/Source/core/accessibility/AccessibilityRenderObject.cpp
+++ b/Source/core/accessibility/AccessibilityRenderObject.cpp
@@ -2097,9 +2097,6 @@ AccessibilitySVGRoot* AccessibilityRenderObject::remoteSVGRootElement() const
     if (!frameView)
         return 0;
     Frame* frame = frameView->frame();
-    if (!frame)
-        return 0;
-
     Document* doc = frame->document();
     if (!doc || !doc->isSVGDocument())
         return 0;