Reenable disabled component extensions with profile resetter.

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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 "chrome/browser/extensions/extension_service.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 240 matching lines @@
 
 size_t GetExternalInstallBubbleCount(ExtensionService* service) {
   size_t bubble_count = 0u;
   std::vector<ExternalInstallError*> errors =
       service->external_install_manager()->GetErrorsForTesting();
   for (auto* error : errors)
     bubble_count += error->alert_type() == ExternalInstallError::BUBBLE_ALERT;
   return bubble_count;
 }
 
+scoped_refptr<Extension> CreateExtension(const base::string16& name,
+                                         const base::FilePath& path,
+                                         Manifest::Location location) {
+  base::DictionaryValue manifest;
+  manifest.SetString(extensions::manifest_keys::kVersion, "1.0.0.0");
+  manifest.SetString(extensions::manifest_keys::kName, name);
+  std::string error;
+  scoped_refptr<Extension> extension =
+      Extension::Create(path, location, manifest, Extension::NO_FLAGS, &error);
+  EXPECT_TRUE(extension.get() != nullptr) << error;
+  return extension;
+}
+
 }  // namespace
 
 class MockExtensionProvider : public extensions::ExternalProviderInterface {
  public:
   MockExtensionProvider(
       VisitorInterface* visitor,
       Manifest::Location location)
     : location_(location), visitor_(visitor), visit_count_(0) {
   }
 
@@ skipping 6130 matching lines @@
   const Extension* extension =
       registry()->disabled_extensions().GetByID(page_action);
   EXPECT_TRUE(extension);
   EXPECT_EQ(page_action, extension->id());
 
   service()->EnableExtension(page_action);
   EXPECT_FALSE(HasExternalInstallErrors(service()));
   EXPECT_TRUE(service()->IsExtensionEnabled(page_action));
 }
 
+// As for components, only non-external component extensions can be disabled.

[lazyboy, 2017/01/24 03:30:01]

external instead of non-external?

[mtomasz, 2017/01/26 08:47:06]

Done.

+TEST_F(ExtensionServiceTest, DisablingComponentExtensions) {
+  InitializeEmptyExtensionService();
+  service_->Init();
+
+  base::ScopedTempDir temp_dir;

[lazyboy, 2017/01/24 03:30:01]

Do you need this?

[mtomasz, 2017/01/26 08:47:06]

Nope! Done.

+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+
+  scoped_refptr<Extension> external_component_extension = CreateExtension(
+      base::ASCIIToUTF16("external_component_extension"),
+      base::FilePath(FILE_PATH_LITERAL("//external_component_extension")),
+      Manifest::EXTERNAL_COMPONENT);
+  service_->AddExtension(external_component_extension.get());
+  EXPECT_TRUE(registry()->enabled_extensions().Contains(
+      external_component_extension->id()));
+  service_->DisableExtension(external_component_extension->id(),
+                             extensions::Extension::DISABLE_USER_ACTION);
+  EXPECT_TRUE(registry()->disabled_extensions().Contains(
+      external_component_extension->id()));
+
+  scoped_refptr<Extension> component_extension = CreateExtension(
+      base::ASCIIToUTF16("component_extension"),
+      base::FilePath(FILE_PATH_LITERAL("//component_extension")),
+      Manifest::COMPONENT);
+  service_->AddExtension(component_extension.get());
+  EXPECT_TRUE(
+      registry()->enabled_extensions().Contains(component_extension->id()));
+  service_->DisableExtension(component_extension->id(),
+                             extensions::Extension::DISABLE_USER_ACTION);
+  EXPECT_FALSE(
+      registry()->disabled_extensions().Contains(component_extension->id()));
+}
+
 // Test that installing multiple external extensions works.
 // Flaky on windows; http://crbug.com/295757 .
 // Causes race conditions with an in-process utility thread, so disable under
 // TSan: https://crbug.com/518957
 #if defined(OS_WIN) || defined(THREAD_SANITIZER)
 #define MAYBE_ExternalInstallMultiple DISABLED_ExternalInstallMultiple
 #else
 #define MAYBE_ExternalInstallMultiple ExternalInstallMultiple
 #endif
 TEST_F(ExtensionServiceTest, MAYBE_ExternalInstallMultiple) {
@@ skipping 670 matching lines @@
   ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
   EXPECT_TRUE(registry()->disabled_extensions().Contains(id));
   EXPECT_TRUE(prefs->HasDisableReason(id, Extension::DISABLE_CORRUPTED));
 
   base::FilePath v2_path = data_dir().AppendASCII("good2.crx");
   UpdateExtension(id, v2_path, ENABLED);
 
   EXPECT_FALSE(registry()->disabled_extensions().Contains(id));
   EXPECT_FALSE(prefs->HasDisableReason(id, Extension::DISABLE_CORRUPTED));
 }