Remove IdentityGetAuthTokenFunction interface dep on IdentityAPI

chrome/browser/extensions/api/identity/identity_apitest.cc

Index: chrome/browser/extensions/api/identity/identity_apitest.cc
diff --git a/chrome/browser/extensions/api/identity/identity_apitest.cc b/chrome/browser/extensions/api/identity/identity_apitest.cc
index a652c4b0f98f0669b497beb2d866b1c36352ea70..d38b0588b455e4ba0be80d9780f1d701468df29c 100644
--- a/chrome/browser/extensions/api/identity/identity_apitest.cc
+++ b/chrome/browser/extensions/api/identity/identity_apitest.cc
@@ -1194,7 +1194,7 @@ IN_PROC_BROWSER_TEST_F(GetAuthTokenFunctionTest, InteractiveQueueShutdown) {
   EXPECT_FALSE(func->scope_ui_shown());
 
   // After the request is canceled, the function will complete.
-  func->OnShutdown();
+  func->Shutdown();
   EXPECT_EQ(std::string(errors::kCanceled), WaitForError(func.get()));
   EXPECT_FALSE(func->login_ui_shown());
   EXPECT_FALSE(func->scope_ui_shown());
@@ -1212,7 +1212,7 @@ IN_PROC_BROWSER_TEST_F(GetAuthTokenFunctionTest, NoninteractiveShutdown) {
   RunFunctionAsync(func.get(), "[{\"interactive\": false}]");
 
   // After the request is canceled, the function will complete.
-  func->OnShutdown();
+  func->Shutdown();
   EXPECT_EQ(std::string(errors::kCanceled), WaitForError(func.get()));
 }