[WebSocket] Send (request|response)_headers_text to the inspector.

content/common/websocket.h

Index: content/common/websocket.h
diff --git a/content/common/websocket.h b/content/common/websocket.h
index 98d75faf08e2d024da21005cf4d44afa1323c979..1a57ce95a4dbf8608026c3cef8e5aac5515c1c45 100644
--- a/content/common/websocket.h
+++ b/content/common/websocket.h
@@ -31,6 +31,8 @@ struct WebSocketHandshakeRequest {
   GURL url;
   // Additional HTTP request headers
   std::vector<std::pair<std::string, std::string> > headers;
+  // HTTP request headers raw string
+  std::string headers_text;
   // The time that this request is sent
   base::Time request_time;
 };
@@ -49,6 +51,8 @@ struct WebSocketHandshakeResponse {
   std::string status_text;
   // Additional HTTP response headers
   std::vector<std::pair<std::string, std::string> > headers;
+  // HTTP response headers raw string
+  std::string headers_text;
   // The time that this response arrives
   base::Time response_time;
 };