mojo::Callback -> base::Callback

components/leveldb/leveldb_service_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "components/filesystem/public/interfaces/directory.mojom.h"
 #include "components/filesystem/public/interfaces/file_system.mojom.h"
 #include "components/filesystem/public/interfaces/types.mojom.h"
 #include "components/leveldb/public/interfaces/leveldb.mojom.h"
 #include "mojo/common/common_type_converters.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "services/shell/public/cpp/shell_connection.h"
 #include "services/shell/public/cpp/shell_test.h"
 
 using filesystem::mojom::FileError;
 
 namespace leveldb {
 namespace {
 
+template <typename... Args> void IgnoreAllArgs(Args&&...) {}
+
+template <typename... Args>
+void DoCaptures(Args*... out_args, Args... in_args) {
+  IgnoreAllArgs((*out_args = std::move(in_args))...);
+}
+
 template <typename T1>
-mojo::Callback<void(T1)> Capture(T1* t1) {
-  return [t1](T1 got_t1) { *t1 = std::move(got_t1); };
+base::Callback<void(T1)> Capture(T1* t1) {
+  return base::Bind(&DoCaptures<T1>, t1);
 }
 
 template <typename T1, typename T2>
-mojo::Callback<void(T1, T2)> Capture(T1* t1, T2* t2) {
-  return [t1, t2](T1 got_t1, T2 got_t2) {
-    *t1 = std::move(got_t1);
-    *t2 = std::move(got_t2);
-  };
+base::Callback<void(T1, T2)> Capture(T1* t1, T2* t2) {
+  return base::Bind(&DoCaptures<T1, T2>, t1, t2);
 }
 
 class LevelDBServiceTest : public shell::test::ShellTest {
  public:
   LevelDBServiceTest() : ShellTest("exe:leveldb_service_unittests") {}
   ~LevelDBServiceTest() override {}
 
  protected:
   // Overridden from mojo::test::ApplicationTestBase:
   void SetUp() override {
@@ skipping 461 matching lines @@
   key_values.SetToEmpty();
   database->GetPrefixed(mojo::Array<uint8_t>::From(prefix),
                         Capture(&error, &key_values));
   ASSERT_TRUE(database.WaitForIncomingResponse());
   EXPECT_EQ(mojom::DatabaseError::OK, error);
   EXPECT_TRUE(key_values.empty());
 }
 
 }  // namespace
 }  // namespace leveldb