Removing unused functions from FileChooser class

Source/platform/FileChooser.cpp

Index: Source/platform/FileChooser.cpp
diff --git a/Source/platform/FileChooser.cpp b/Source/platform/FileChooser.cpp
index 244137e5bd79e17013c8b9f37b1d68254e0f4885..f3c9dccc36dac4c43830a43f2e989b1a1a37b870 100644
--- a/Source/platform/FileChooser.cpp
+++ b/Source/platform/FileChooser.cpp
@@ -65,13 +65,6 @@ FileChooser::~FileChooser()
 {
 }
 
-void FileChooser::chooseFile(const String& filename)
-{
-    Vector<String> filenames;
-    filenames.append(filename);
-    chooseFiles(filenames);
-}
-
 void FileChooser::chooseFiles(const Vector<String>& filenames)
 {
     // FIXME: This is inelegant. We should not be looking at settings here.