Do not load extension system in the Profile import process.

chrome/browser/extensions/component_loader_unittest.cc

 // Copyright (c) 2012 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 <string>
 
 #include "chrome/browser/extensions/component_loader.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 175 matching lines @@
   EXPECT_TRUE(extension_service_.extensions()->GetByID(extension_id));
 }
 
 TEST_F(ComponentLoaderTest, Remove) {
   extension_service_.set_ready(false);
 
   // Removing an extension that was never added should be ok.
   component_loader_.Remove(extension_path_);
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 
-  // Try adding and removing before LoadAll() is called.
+  // Try adding and removing before BulkLoadAll() is called.
   component_loader_.Add(manifest_contents_, extension_path_);
   component_loader_.Remove(extension_path_);
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 
   // Load an extension, and check that it's unloaded when Remove() is called.
   extension_service_.set_ready(true);
   std::string extension_id =
       component_loader_.Add(manifest_contents_, extension_path_);
   EXPECT_EQ(1u, extension_service_.extensions()->size());
   component_loader_.Remove(extension_path_);
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 
-  // And after calling LoadAll(), it shouldn't get loaded.
-  component_loader_.LoadAll();
+  // And after calling BulkLoadAll(), it shouldn't get loaded.
+  component_loader_.BulkLoadAll();
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 }
 
 TEST_F(ComponentLoaderTest, LoadAll) {
   extension_service_.set_ready(false);
 
   // No extensions should be loaded if none were added.
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 
-  // Use LoadAll() to load the default extensions.
+  // Use BulkLoadAll() to load the default extensions.
   component_loader_.AddDefaultComponentExtensions(false);
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
   unsigned int default_count = extension_service_.extensions()->size();
 
   // Clear the list of loaded extensions, and reload with one more.
   extension_service_.clear_extensions();
   component_loader_.Add(manifest_contents_, extension_path_);
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
 
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
 }
 
+TEST_F(ComponentLoaderTest, BulkLoadDeferred) {
+  extension_service_.set_ready(false);
+
+  // Use BulkLoadDeferBackgroundPages to get a baseline of extensions with
+  // background pages.
+  component_loader_.AddDefaultComponentExtensions(false);
+  component_loader_.BulkLoadDeferBackgroundPages();
+  unsigned int default_count_no_bg = extension_service_.extensions()->size();
+  component_loader_.BulkLoadDeferred();
+  unsigned int default_count_bg = extension_service_.extensions()->size();
+
+  // Clear and reload with one more, which is known to have a background page.
+  extension_service_.clear_extensions();
+  component_loader_.Add(manifest_contents_, extension_path_);
+  component_loader_.BulkLoadDeferBackgroundPages();
+
+  // Count should not change, since the load will be deferred.
+  EXPECT_EQ(default_count_no_bg, extension_service_.extensions()->size());
+
+  // After loading deferred there should be one more than previously.
+  component_loader_.BulkLoadDeferred();
+  EXPECT_EQ(default_count_bg + 1, extension_service_.extensions()->size());
+}
+
 TEST_F(ComponentLoaderTest, RemoveAll) {
   extension_service_.set_ready(true);
   EXPECT_EQ(0u, extension_service_.extensions()->size());
-  // Use LoadAll() to load the default extensions.
+  // Add all the default extensions. Since the extension service is ready, they
+  // will be loaded immediately.
   component_loader_.AddDefaultComponentExtensions(false);
   unsigned int default_count = extension_service_.extensions()->size();
 
   // And add one more just to make sure there is anything in there in case
   // there are no defaults for this platform.
   component_loader_.Add(manifest_contents_, extension_path_);
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
 
   // Remove all default extensions.
   component_loader_.RemoveAll();
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 }
 
 TEST_F(ComponentLoaderTest, EnterpriseWebStore) {
   component_loader_.AddDefaultComponentExtensions(false);
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
   unsigned int default_count = extension_service_.extensions()->size();
 
   // Set the pref, and it should get loaded automatically.
   extension_service_.set_ready(true);
   prefs_.SetUserPref(prefs::kEnterpriseWebStoreURL,
                      Value::CreateStringValue("http://www.google.com"));
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
 
   // Now that the pref is set, check if it's added by default.
   extension_service_.set_ready(false);
   extension_service_.clear_extensions();
   component_loader_.ClearAllRegistered();
   component_loader_.AddDefaultComponentExtensions(false);
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
 
   // Number of loaded extensions should be the same after changing the pref.
   prefs_.SetUserPref(prefs::kEnterpriseWebStoreURL,
                      Value::CreateStringValue("http://www.google.de"));
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
 }
 
 TEST_F(ComponentLoaderTest, AddOrReplace) {
   EXPECT_EQ(0u, component_loader_.registered_extensions_count());
   component_loader_.AddDefaultComponentExtensions(false);
   size_t const default_count = component_loader_.registered_extensions_count();
   FilePath known_extension = GetBasePath()
       .AppendASCII("override_component_extension");
   FilePath unknow_extension = extension_path_;
 
   // Replace a default component extension.
   component_loader_.AddOrReplace(known_extension);
   EXPECT_EQ(default_count,
             component_loader_.registered_extensions_count());
 
   // Add a new component extension.
   component_loader_.AddOrReplace(unknow_extension);
   EXPECT_EQ(default_count + 1,
             component_loader_.registered_extensions_count());
 
   extension_service_.set_ready(true);
-  component_loader_.LoadAll();
+  component_loader_.BulkLoadAll();
 
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
   EXPECT_EQ(0u, extension_service_.unloaded_count());
 
   // replace loaded component extension.
   component_loader_.AddOrReplace(known_extension);
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
   EXPECT_EQ(1u, extension_service_.unloaded_count());
 }
 
 }  // namespace extensions