Extract a MockExtensionSystem to be used with TestExtensionsBrowserClient.

extensions/browser/mock_extension_system.cc

+// Copyright 2014 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 "extensions/browser/mock_extension_system.h"
+
+#include "content/public/browser/browser_context.h"

[James Cook, 2014/08/12 15:46:27]

Do you need this header?

[Yoyo Zhou, 2014/08/12 22:05:47]

Good call.

+#include "extensions/common/extension_set.h"

[James Cook, 2014/08/12 15:46:27]

Aside: This is why I don't like CreateFoo() methods that return scoped_ptr<>.
While I understand that you need the destructor to create a null-ish
scoped_ptr<Foo>() it's not trivially obvious.

[Yoyo Zhou, 2014/08/12 22:05:47]

It is unfortunate.

+
+namespace extensions {
+
+//
+// MockExtensionSystem
+//
+
+MockExtensionSystem::MockExtensionSystem(content::BrowserContext* context)
+    : browser_context_(context) {
+}
+
+MockExtensionSystem::~MockExtensionSystem() {
+}
+
+void MockExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
+}
+
+ExtensionService* MockExtensionSystem::extension_service() {
+  return NULL;
+}
+
+RuntimeData* MockExtensionSystem::runtime_data() {
+  return NULL;
+}
+
+ManagementPolicy* MockExtensionSystem::management_policy() {
+  return NULL;
+}
+
+UserScriptMaster* MockExtensionSystem::user_script_master() {
+  return NULL;
+}
+
+ProcessManager* MockExtensionSystem::process_manager() {
+  return NULL;
+}
+
+StateStore* MockExtensionSystem::state_store() {
+  return NULL;
+}
+
+StateStore* MockExtensionSystem::rules_store() {
+  return NULL;
+}
+
+InfoMap* MockExtensionSystem::info_map() {
+  return NULL;
+}
+
+LazyBackgroundTaskQueue* MockExtensionSystem::lazy_background_task_queue() {
+  return NULL;
+}
+
+EventRouter* MockExtensionSystem::event_router() {
+  return NULL;
+}
+
+ExtensionWarningService* MockExtensionSystem::warning_service() {
+  return NULL;
+}
+
+Blacklist* MockExtensionSystem::blacklist() {
+  return NULL;
+}
+
+ErrorConsole* MockExtensionSystem::error_console() {
+  return NULL;
+}
+
+InstallVerifier* MockExtensionSystem::install_verifier() {
+  return NULL;
+}
+
+QuotaService* MockExtensionSystem::quota_service() {
+  return NULL;
+}
+
+const OneShotEvent& MockExtensionSystem::ready() const {
+  return ready_;
+}
+
+ContentVerifier* MockExtensionSystem::content_verifier() {
+  return NULL;
+}
+
+scoped_ptr<ExtensionSet> MockExtensionSystem::GetDependentExtensions(
+    const Extension* extension) {
+  return scoped_ptr<ExtensionSet>();
+}
+
+}  // namespace extensions