Introduce background.scripts feature for extension manifests.

chrome/common/extensions/extension_manifests_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 "chrome/common/extensions/extension.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 966 matching lines @@
   ExtensionAPIPermissionSet apis = extension->GetActivePermissions()->apis();
   for (ExtensionAPIPermissionSet::const_iterator i = apis.begin();
        i != apis.end(); ++i)
     EXPECT_NE(platform_app, info->GetByID(*i)->type_restrictions());
 }
 
 TEST_F(ExtensionManifestTest, BackgroundPage) {
   scoped_refptr<Extension> extension(
       LoadAndExpectSuccess("background_page.json"));
   ASSERT_TRUE(extension);
-  EXPECT_EQ("/foo.html", extension->background_url().path());
+  EXPECT_EQ("/foo.html", extension->GetBackgroundURL().path());
 
   std::string error;
   scoped_ptr<DictionaryValue> manifest(
       LoadManifestFile("background_page_legacy.json", &error));
   ASSERT_TRUE(manifest.get());
   extension = LoadAndExpectSuccess(Manifest(manifest.get(), ""));
   ASSERT_TRUE(extension);
-  EXPECT_EQ("/foo.html", extension->background_url().path());
+  EXPECT_EQ("/foo.html", extension->GetBackgroundURL().path());
 
   manifest->SetInteger(keys::kManifestVersion, 2);
   extension = LoadAndExpectSuccess(Manifest(manifest.get(), ""));
   ASSERT_TRUE(extension);
-  EXPECT_FALSE(extension->background_url().is_valid());
+  EXPECT_FALSE(extension->GetBackgroundURL().is_valid());
+}
+
+TEST_F(ExtensionManifestTest, BackgroundScripts) {
+  std::string error;
+  scoped_ptr<DictionaryValue> manifest(
+      LoadManifestFile("background_scripts.json", &error));
+  ASSERT_TRUE(manifest.get());
+
+  scoped_refptr<Extension> extension(
+      LoadAndExpectSuccess(Manifest(manifest.get(), "")));
+  ASSERT_TRUE(extension);
+  EXPECT_EQ(2u, extension->background_scripts().size());
+  EXPECT_EQ("foo.js", extension->background_scripts()[0u]);
+  EXPECT_EQ("bar/baz.js", extension->background_scripts()[1u]);
+
+  EXPECT_TRUE(extension->has_background_page());
+  EXPECT_EQ(std::string("/") +
+            extension_filenames::kGeneratedBackgroundPageFilename,
+            extension->GetBackgroundURL().path());
+
+  manifest->SetString("background_page", "monkey.html");
+  LoadAndExpectError(Manifest(manifest.get(), ""),
+                     errors::kInvalidBackgroundCombination);
 }
 
 TEST_F(ExtensionManifestTest, PageActionManifestVersion2) {
   scoped_refptr<Extension> extension(
       LoadAndExpectSuccess("page_action_manifest_version_2.json"));
   ASSERT_TRUE(extension.get());
   ASSERT_TRUE(extension->page_action());
 
   EXPECT_EQ("", extension->page_action()->id());
   EXPECT_EQ(0u, extension->page_action()->icon_paths()->size());
   EXPECT_EQ("", extension->page_action()->GetTitle(
       ExtensionAction::kDefaultTabId));
   EXPECT_FALSE(extension->page_action()->HasPopup(
       ExtensionAction::kDefaultTabId));
 
   LoadAndExpectError("page_action_manifest_version_2b.json",
                      errors::kInvalidPageActionPopup);
 }