Mojo C++ bindings: remove usage of AssociatedGroup from content/

content/child/web_url_loader_impl_unittest.cc

Index: content/child/web_url_loader_impl_unittest.cc
diff --git a/content/child/web_url_loader_impl_unittest.cc b/content/child/web_url_loader_impl_unittest.cc
index 0f8a4c9d5b53985ef8814a1d96477c8cf2565245..833738b57091d1d2e27dda76fae548d1d69da7b9 100644
--- a/content/child/web_url_loader_impl_unittest.cc
+++ b/content/child/web_url_loader_impl_unittest.cc
@@ -82,8 +82,7 @@ class TestResourceDispatcher : public ResourceDispatcher {
       const url::Origin& frame_origin,
       std::unique_ptr<RequestPeer> peer,
       blink::WebURLRequest::LoadingIPCType ipc_type,
-      mojom::URLLoaderFactory* url_loader_factory,
-      mojo::AssociatedGroup* associated_group) override {
+      mojom::URLLoaderFactory* url_loader_factory) override {
     EXPECT_FALSE(peer_);
     peer_ = std::move(peer);
     url_ = request->url;
@@ -126,7 +125,7 @@ class TestResourceDispatcher : public ResourceDispatcher {
 class TestWebURLLoaderClient : public blink::WebURLLoaderClient {
  public:
   TestWebURLLoaderClient(ResourceDispatcher* dispatcher)
-      : loader_(new WebURLLoaderImpl(dispatcher, nullptr, nullptr)),
+      : loader_(new WebURLLoaderImpl(dispatcher, nullptr)),
         delete_on_receive_redirect_(false),
         delete_on_receive_response_(false),
         delete_on_receive_data_(false),