Remove more superfluous calls to clear frame views during destruction.

third_party/WebKit/Source/core/page/FrameTree.cpp

Index: third_party/WebKit/Source/core/page/FrameTree.cpp
diff --git a/third_party/WebKit/Source/core/page/FrameTree.cpp b/third_party/WebKit/Source/core/page/FrameTree.cpp
index 31889059ba15b90bda64f5729ad8858baf4e6564..0a32b5b7eb4da10f88e30dd423dfa7db07d27fdf 100644
--- a/third_party/WebKit/Source/core/page/FrameTree.cpp
+++ b/third_party/WebKit/Source/core/page/FrameTree.cpp
@@ -50,15 +50,6 @@ FrameTree::FrameTree(Frame* thisFrame)
 
 FrameTree::~FrameTree()
 {
-#if !ENABLE(OILPAN)
-    // FIXME: Why is this here? Doesn't this parallel what we already do in ~LocalFrame?
-    for (Frame* child = firstChild(); child; child = child->tree().nextSibling()) {
-        if (child->isLocalFrame())
-            toLocalFrame(child)->setView(nullptr);
-        else if (child->isRemoteFrame())
-            toRemoteFrame(child)->setView(nullptr);
-    }
-#endif
 }
 
 void FrameTree::setName(const AtomicString& name, const AtomicString& fallbackName)