Convert HTMLFrameOwnerElement and FocusController to use Frame.

Source/web/SpellCheckerClientImpl.cpp

Index: Source/web/SpellCheckerClientImpl.cpp
diff --git a/Source/web/SpellCheckerClientImpl.cpp b/Source/web/SpellCheckerClientImpl.cpp
index 224be4ec2ebb57d3c3771571734cdac93e55f4da..29b8364a587bf034b74c62fddf4baf6a3c117b4a 100644
--- a/Source/web/SpellCheckerClientImpl.cpp
+++ b/Source/web/SpellCheckerClientImpl.cpp
@@ -56,7 +56,7 @@ bool SpellCheckerClientImpl::shouldSpellcheckByDefault()
 {
     // Spellcheck should be enabled for all editable areas (such as textareas,
     // contentEditable regions, designMode docs and inputs).
-    const LocalFrame* frame = m_webView->focusedWebCoreFrame();
+    const LocalFrame* frame = toLocalFrame(m_webView->focusedWebCoreFrame());
     if (!frame)
         return false;
     if (frame->spellChecker().isSpellCheckingEnabledInFocusedNode())
@@ -100,7 +100,7 @@ void SpellCheckerClientImpl::toggleContinuousSpellChecking()
         }
     } else {
         m_spellCheckThisFieldStatus = SpellCheckForcedOn;
-        if (LocalFrame* frame = m_webView->focusedWebCoreFrame()) {
+        if (LocalFrame* frame = toLocalFrame(m_webView->focusedWebCoreFrame())) {
             VisibleSelection frameSelection = frame->selection().selection();
             // If a selection is in an editable element spell check its content.
             if (Element* rootEditableElement = frameSelection.rootEditableElement()) {
@@ -112,13 +112,13 @@ void SpellCheckerClientImpl::toggleContinuousSpellChecking()
 
 bool SpellCheckerClientImpl::isGrammarCheckingEnabled()
 {
-    const LocalFrame* frame = m_webView->focusedWebCoreFrame();
+    const LocalFrame* frame = toLocalFrame(m_webView->focusedWebCoreFrame());
     return frame && frame->settings() && (frame->settings()->asynchronousSpellCheckingEnabled() || frame->settings()->unifiedTextCheckerEnabled());
 }
 
 bool SpellCheckerClientImpl::shouldEraseMarkersAfterChangeSelection(TextCheckingType type) const
 {
-    const LocalFrame* frame = m_webView->focusedWebCoreFrame();
+    const LocalFrame* frame = toLocalFrame(m_webView->focusedWebCoreFrame());
     return !frame || !frame->settings() || (!frame->settings()->asynchronousSpellCheckingEnabled() && !frame->settings()->unifiedTextCheckerEnabled());
 }