Connect Mojo budget_service to BudgetManager implementation of Reserve.

chrome/browser/budget_service/budget_database_unittest.cc

Index: chrome/browser/budget_service/budget_database_unittest.cc
diff --git a/chrome/browser/budget_service/budget_database_unittest.cc b/chrome/browser/budget_service/budget_database_unittest.cc
index 984dfe865304f0f3f47337180cb83534397c14bb..2dbaa9cb4b7d8d09f21c29508becc60fde2088fa 100644
--- a/chrome/browser/budget_service/budget_database_unittest.cc
+++ b/chrome/browser/budget_service/budget_database_unittest.cc
@@ -40,8 +40,10 @@ class BudgetDatabaseTest : public ::testing::Test {
             base::ThreadTaskRunnerHandle::Get()),
         origin_(url::Origin(GURL(kTestOrigin))) {}
 
-  void WriteBudgetComplete(base::Closure run_loop_closure, bool success) {
-    success_ = success;
+  void WriteBudgetComplete(base::Closure run_loop_closure,
+                           blink::mojom::BudgetServiceErrorType error,
+                           bool success) {
+    success_ = (error == blink::mojom::BudgetServiceErrorType::NONE) && success;
     run_loop_closure.Run();
   }