Give the ChromeVox Panel an extension view type.

chrome/browser/extensions/chrome_extensions_browser_client.cc

Index: chrome/browser/extensions/chrome_extensions_browser_client.cc
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.cc b/chrome/browser/extensions/chrome_extensions_browser_client.cc
index 2849e1231cee02e096db8d408c56d25c043fb582..9221e8dadae1e9bea4fef4f4a1126aa673db34b9 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.cc
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.cc
@@ -358,11 +358,11 @@ void ChromeExtensionsBrowserClient::AttachExtensionTaskManagerTag(
     ViewType view_type) {
   switch (view_type) {
     case VIEW_TYPE_APP_WINDOW:
+    case VIEW_TYPE_COMPONENT:
     case VIEW_TYPE_EXTENSION_BACKGROUND_PAGE:
     case VIEW_TYPE_EXTENSION_DIALOG:
     case VIEW_TYPE_EXTENSION_POPUP:
     case VIEW_TYPE_LAUNCHER_PAGE:
-    case VIEW_TYPE_VIRTUAL_KEYBOARD:
       // These are the only types that are tracked by the ExtensionTag.
       task_management::WebContentsTags::CreateForExtension(web_contents,
                                                            view_type);