Implement chrome.experimental.downloads.onChanged

net/tools/testserver/testserver.py

Index: net/tools/testserver/testserver.py
diff --git a/net/tools/testserver/testserver.py b/net/tools/testserver/testserver.py
index f9177897cc6e17b64a3fa075498365b96f0a7b81..c4b7c5d620823e1563d07f1443364b8c95b433b2 100755
--- a/net/tools/testserver/testserver.py
+++ b/net/tools/testserver/testserver.py
@@ -909,7 +909,7 @@ class TestPageHandler(BasePageHandler):
     if not self.path.startswith(prefix):
       return False
     # Consume a request body if present.
-    if self.command == 'POST' or self.command == 'PUT' :
+    if self.command == 'POST' or self.command == 'PUT':
       self.ReadRequestBody()
     return self._FileHandlerHelper(prefix)
 
@@ -918,7 +918,15 @@ class TestPageHandler(BasePageHandler):
     prefix = urlparse.urljoin(self.server.file_root_url, 'post/')
     if not self.path.startswith(prefix):
       return False
-    self.ReadRequestBody()
+    body = self.ReadRequestBody()
+    _, _, _, _, query_str, _ = urlparse.urlparse(self.path)
+    query_dict = cgi.parse_qs(query_str)
+    expected_body = query_dict.get('expected_body', [])
+    if expected_body and body not in expected_body:
+      self.send_response(404)
+      self.end_headers()
+      self.wfile.write('')
+      return True
     return self._FileHandlerHelper(prefix)
 
   def _FileHandlerHelper(self, prefix):