Use "int" instead of "long" for bindings where the WebIDL uses "long".

Source/modules/speech/SpeechRecognitionResultList.h

Index: Source/modules/speech/SpeechRecognitionResultList.h
diff --git a/Source/modules/speech/SpeechRecognitionResultList.h b/Source/modules/speech/SpeechRecognitionResultList.h
index 24ca14720cb88ef0058db9c62b2c08bc3f3842e2..754aa248c7293667d62a1b0d9676c4bd5753c0b4 100644
--- a/Source/modules/speech/SpeechRecognitionResultList.h
+++ b/Source/modules/speech/SpeechRecognitionResultList.h
@@ -37,8 +37,8 @@ class SpeechRecognitionResultList : public ScriptWrappable, public RefCounted<Sp
 public:
     static PassRefPtr<SpeechRecognitionResultList> create(const Vector<RefPtr<SpeechRecognitionResult> >&);
 
-    unsigned long length() { return m_results.size(); }
-    SpeechRecognitionResult* item(unsigned long index);
+    unsigned length() { return m_results.size(); }
+    SpeechRecognitionResult* item(unsigned index);
 
 private:
     explicit SpeechRecognitionResultList(const Vector<RefPtr<SpeechRecognitionResult> >&);