Upstream password manager unit tests

ios/chrome/browser/passwords/password_controller_off_the_record_unittest.mm

Index: ios/chrome/browser/passwords/password_controller_off_the_record_unittest.mm
diff --git a/ios/chrome/browser/passwords/password_controller_off_the_record_unittest.mm b/ios/chrome/browser/passwords/password_controller_off_the_record_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..2ce74f84e12409927840499f6184e3fade83cd46
--- /dev/null
+++ b/ios/chrome/browser/passwords/password_controller_off_the_record_unittest.mm
@@ -0,0 +1,66 @@
+// Copyright 2015 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 <memory>
+
+#import "base/mac/scoped_nsobject.h"
+#include "base/memory/ptr_util.h"
+#include "components/password_manager/core/browser/stub_password_manager_client.h"
+#include "ios/chrome/browser/browser_state/test_chrome_browser_state.h"
+#import "ios/chrome/browser/passwords/password_controller.h"
+#import "ios/web/public/test/test_web_state.h"
+#import "ios/web/public/test/web_test_with_web_state.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class IncognitoPasswordManagerClient
+    : public password_manager::StubPasswordManagerClient {
+ public:
+  bool IsOffTheRecord() const override { return true; }
+};
+
+}  // namespace
+
+class OffTheRecordWebState : public web::TestWebState {
+ public:
+  OffTheRecordWebState() {
+    TestChromeBrowserState::Builder test_cbs_builder;
+    chrome_browser_state_ = test_cbs_builder.Build();
+  }
+
+  web::BrowserState* GetBrowserState() const override {
+    return chrome_browser_state_->GetOffTheRecordChromeBrowserState();
+  }
+
+ private:
+  std::unique_ptr<TestChromeBrowserState> chrome_browser_state_;
+};
+
+class PasswordControllerOffTheRecordTest : public web::WebTestWithWebState {
+ public:
+  void SetUp() override {
+    web::WebTestWithWebState::SetUp();
+    password_controller_.reset([[PasswordController alloc]
+           initWithWebState:&off_the_record_web_state_
+        passwordsUiDelegate:nil
+                     client:base::WrapUnique(
+                                new IncognitoPasswordManagerClient())]);
+  }
+
+  void TearDown() override {
+    [password_controller_ detach];
+    web::WebTestWithWebState::TearDown();
+  }
+
+ protected:
+  OffTheRecordWebState off_the_record_web_state_;
+  base::scoped_nsobject<PasswordController> password_controller_;
+};
+
+// Check that if the PasswordController is told (by the PasswordManagerClient)
+// that this is Incognito, it won't enable password generation.
+TEST_F(PasswordControllerOffTheRecordTest, PasswordGenerationDisabled) {
+  EXPECT_FALSE([this->password_controller_ passwordGenerationManager]);
+}