Enable generation of local host candidate.

Source/platform/exported/WebRTCConfiguration.cpp

Index: Source/platform/exported/WebRTCConfiguration.cpp
diff --git a/Source/platform/exported/WebRTCConfiguration.cpp b/Source/platform/exported/WebRTCConfiguration.cpp
index df1150dee6d2346b1bffd8539b4cc645ac59e5bc..0a875aebbdc5e4ac10fb598764fc37dea2c3d93c 100644
--- a/Source/platform/exported/WebRTCConfiguration.cpp
+++ b/Source/platform/exported/WebRTCConfiguration.cpp
@@ -71,6 +71,33 @@ WebString WebRTCICEServer::credential() const
     return m_private->credential();
 }
 
+WebRTCICEServerArray::WebRTCICEServerArray(RTCIceServerArray* iceServers)
+    : m_private(iceServers)
+{
+}
+
+void WebRTCICEServerArray::assign(const WebRTCICEServerArray& other)
+{
+    m_private = other.m_private;
+}
+
+void WebRTCICEServerArray::reset()
+{
+    m_private.reset();
+}
+
+size_t WebRTCICEServerArray::numberOfServers() const
+{
+    ASSERT(!isNull());
+    return m_private->numberOfServers();
+}
+
+WebRTCICEServer WebRTCICEServerArray::server(size_t index) const
+{
+    ASSERT(!isNull());
+    return WebRTCICEServer(m_private->server(index));
+}
+
 WebRTCConfiguration::WebRTCConfiguration(RTCConfiguration* configuration)
     : m_private(configuration)
 {
@@ -86,16 +113,21 @@ void WebRTCConfiguration::reset()
     m_private.reset();
 }
 
+// TODO(guoweis): Remove this function when WebKit rolls into Chromium.
 size_t WebRTCConfiguration::numberOfServers() const
 {
     ASSERT(!isNull());
-    return m_private->numberOfServers();
+    if (!m_private->iceServers()) {
+        return 0;
+    }
+    return m_private->iceServers()->numberOfServers();
 }
 
+// TODO(guoweis): Remove this function when WebKit rolls into Chromium.
 WebRTCICEServer WebRTCConfiguration::server(size_t index) const
 {
     ASSERT(!isNull());
-    return WebRTCICEServer(m_private->server(index));
+    return WebRTCICEServer(m_private->iceServers()->server(index));
 }
 
 WebRTCIceTransports WebRTCConfiguration::iceTransports() const
@@ -144,4 +176,10 @@ WebRTCRtcpMuxPolicy WebRTCConfiguration::rtcpMuxPolicy() const
     return WebRTCRtcpMuxPolicyNegotiate;
 }
 
+WebRTCICEServerArray WebRTCConfiguration::iceServers() const
+{
+    ASSERT(!isNull());
+    return WebRTCICEServerArray(m_private->iceServers());
+}
+
 } // namespace blink