Remove some unused functions in core

Source/core/plugins/DOMMimeTypeArray.cpp

Index: Source/core/plugins/DOMMimeTypeArray.cpp
diff --git a/Source/core/plugins/DOMMimeTypeArray.cpp b/Source/core/plugins/DOMMimeTypeArray.cpp
index 3410fdba2384325eaf351c5cd279bb8c76a6e309..520a2d15b15c1a7a74a6afcee572d4433bb52bb0 100644
--- a/Source/core/plugins/DOMMimeTypeArray.cpp
+++ b/Source/core/plugins/DOMMimeTypeArray.cpp
@@ -57,19 +57,6 @@ PassRefPtrWillBeRawPtr<DOMMimeType> DOMMimeTypeArray::item(unsigned index)
     return DOMMimeType::create(data, m_frame, index).get();
 }
 
-bool DOMMimeTypeArray::canGetItemsForName(const AtomicString& propertyName)
-{
-    PluginData *data = getPluginData();
-    if (!data)
-        return 0;
-    const Vector<MimeClassInfo>& mimes = data->mimes();
-    for (unsigned i = 0; i < mimes.size(); ++i) {
-        if (mimes[i].type == propertyName)
-            return true;
-    }
-    return false;
-}
-
 PassRefPtrWillBeRawPtr<DOMMimeType> DOMMimeTypeArray::namedItem(const AtomicString& propertyName)
 {
     PluginData *data = getPluginData();