Provide child/frame IDs for WebSocket handshake request

net/websockets/websocket_channel_test.cc

Index: net/websockets/websocket_channel_test.cc
diff --git a/net/websockets/websocket_channel_test.cc b/net/websockets/websocket_channel_test.cc
index 10ea232eef54701c5db8b0bd5f34b4ff30ba7f82..d2c477a2e488df38da465657016e0c42c2d95deb 100644
--- a/net/websockets/websocket_channel_test.cc
+++ b/net/websockets/websocket_channel_test.cc
@@ -167,6 +167,7 @@ class MockWebSocketEventInterface : public WebSocketEventInterface {
                              std::vector<char>(data, data + buffer_size));
   }
 
+  MOCK_METHOD1(OnCreateURLRequest, void(URLRequest*));
   MOCK_METHOD2(OnAddChannelResponse,
                ChannelState(const std::string&,
                             const std::string&));  // NOLINT
@@ -211,6 +212,7 @@ class MockWebSocketEventInterface : public WebSocketEventInterface {
 // This fake EventInterface is for tests which need a WebSocketEventInterface
 // implementation but are not verifying how it is used.
 class FakeWebSocketEventInterface : public WebSocketEventInterface {
+  void OnCreateURLRequest(URLRequest* request) override {}
   ChannelState OnAddChannelResponse(const std::string& selected_protocol,
                                     const std::string& extensions) override {
     return CHANNEL_ALIVE;