1 files changed, 7 insertions, 13 deletions

diff --git a/WebCore/page/FocusController.cpp b/WebCore/page/FocusController.cpp
index 9b30362..9760b3c 100644
--- a/WebCore/page/FocusController.cpp
+++ b/WebCore/page/FocusController.cpp
@@ -90,8 +90,6 @@ static Node* deepFocusableNode(FocusDirection direction, Node* node, KeyboardEve
             break;
 
         Document* document = owner->contentFrame()->document();
-        if (!document)
-            break;
 
         node = (direction == FocusDirectionForward)
             ? document->nextFocusableNode(0, event)
@@ -115,8 +113,6 @@ bool FocusController::advanceFocus(FocusDirection direction, KeyboardEvent* even
     Frame* frame = focusedOrMainFrame();
     ASSERT(frame);
     Document* document = frame->document();
-    if (!document)
-        return false;
 
     Node* node = (direction == FocusDirectionForward)
         ? document->nextFocusableNode(document->focusedNode(), event)
@@ -129,8 +125,6 @@ bool FocusController::advanceFocus(FocusDirection direction, KeyboardEvent* even
             break;
 
         Document* parentDocument = parentFrame->document();
-        if (!parentDocument)
-            break;
 
         HTMLFrameOwnerElement* owner = frame->ownerElement();
         if (!owner)
@@ -155,10 +149,10 @@ bool FocusController::advanceFocus(FocusDirection direction, KeyboardEvent* even
         }
 
         // Chrome doesn't want focus, so we should wrap focus.
-        if (Document* d = m_page->mainFrame()->document())
-            node = (direction == FocusDirectionForward)
-                ? d->nextFocusableNode(0, event)
-                : d->previousFocusableNode(0, event);
+        Document* d = m_page->mainFrame()->document();
+        node = (direction == FocusDirectionForward)
+            ? d->nextFocusableNode(0, event)
+            : d->previousFocusableNode(0, event);
 
         node = deepFocusableNode(direction, node, event);
 
@@ -266,9 +260,9 @@ bool FocusController::setFocusedNode(Node* node, PassRefPtr<Frame> newFocusedFra
         m_page->editorClient()->setInputMethodState(false);
         return true;
     }
-    
-    RefPtr<Document> newDocument = node ? node->document() : 0;
-    
+
+    RefPtr<Document> newDocument = node->document();
+
     if (newDocument && newDocument->focusedNode() == node) {
         m_page->editorClient()->setInputMethodState(node->shouldUseInputMethod());
         return true;