Add emscripten build files.

profiler/build/wasm/httpd.py

@@ -0,0 +1,17 @@
+from http import server
+
+class MyHTTPRequestHandler(server.SimpleHTTPRequestHandler):
+    def end_headers(self):
+        self.send_my_headers()
+        server.SimpleHTTPRequestHandler.end_headers(self)
+
+    def send_my_headers(self):
+        self.send_header("Cache-Control", "no-cache, no-store, must-revalidate")
+        self.send_header("Pragma", "no-cache")
+        self.send_header("Expires", "0")
+        self.send_header("Cross-Origin-Embedder-Policy", "require-corp");
+        self.send_header("Cross-Origin-Opener-Policy", "same-origin");
+
+
+if __name__ == '__main__':
+    server.test(HandlerClass=MyHTTPRequestHandler)