Index: tools/telemetry/telemetry/core/backends/chrome/extension_backend.py |
diff --git a/tools/telemetry/telemetry/core/backends/chrome/extension_backend.py b/tools/telemetry/telemetry/core/backends/chrome/extension_backend.py |
index bdf9d00071a3bf79b978a448d17a15b4d50e2cef..a48088738cf02cf1f5a44c2629440c26a95ba58b 100644 |
--- a/tools/telemetry/telemetry/core/backends/chrome/extension_backend.py |
+++ b/tools/telemetry/telemetry/core/backends/chrome/extension_backend.py |
@@ -26,10 +26,13 @@ class ExtensionBackendDict(collections.Mapping): |
self._extension_backend_list = ExtensionBackendList(browser_backend) |
def __getitem__(self, extension_id): |
+ extensions = [] |
for i, context_id in enumerate(self._extension_backend_list): |
if self.ContextIdToExtensionId(context_id) == extension_id: |
- return self._extension_backend_list[i] |
- raise KeyError('Cannot find an extension with id=%s' % extension_id) |
+ extensions.append(self._extension_backend_list[i]) |
+ if not extensions: |
+ raise KeyError('Cannot find an extension with id=%s' % extension_id) |
+ return extensions |
def __iter__(self): |
for context_id in self._extension_backend_list: |