[Extensions] Propagate activeTab hosts to extension background pages

chrome/common/extensions/permissions/permissions_data_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 <vector>
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 197 matching lines @@
   EXPECT_TRUE(hosts.MatchesURL(GURL("http://test/")));
   EXPECT_TRUE(hosts.MatchesURL(GURL("http://www.google.com")));
   EXPECT_TRUE(extension->permissions_data()->HasEffectiveAccessToAllHosts());
 
   extension = LoadManifest("effective_host_permissions", "all_hosts3.json");
   hosts = extension->permissions_data()->GetEffectiveHostPermissions();
   EXPECT_FALSE(hosts.MatchesURL(GURL("http://test/")));
   EXPECT_TRUE(hosts.MatchesURL(GURL("https://test/")));
   EXPECT_TRUE(hosts.MatchesURL(GURL("http://www.google.com")));
   EXPECT_TRUE(extension->permissions_data()->HasEffectiveAccessToAllHosts());
+
+  // Tab-specific permissions should be included in the effective hosts.
+  GURL tab_url("http://www.example.com/");
+  URLPatternSet new_hosts;
+  new_hosts.AddOrigin(URLPattern::SCHEME_ALL, tab_url);
+  extension->permissions_data()->UpdateTabSpecificPermissions(
+      1,
+      new PermissionSet(APIPermissionSet(),
+                        ManifestPermissionSet(),
+                        new_hosts,
+                        URLPatternSet()));
+  EXPECT_TRUE(extension->permissions_data()->GetEffectiveHostPermissions().
+      MatchesURL(tab_url));
+  extension->permissions_data()->ClearTabSpecificPermissions(1);
+  EXPECT_FALSE(extension->permissions_data()->GetEffectiveHostPermissions().
+      MatchesURL(tab_url));
 }
 
 TEST(PermissionsDataTest, SocketPermissions) {
   scoped_refptr<Extension> extension;
   std::string error;
 
   extension = LoadManifest("socket_permissions", "empty.json");
   EXPECT_FALSE(CheckSocketPermission(extension,
       SocketPermissionRequest::TCP_CONNECT, "www.example.com", 80));
 
@@ skipping 516 matching lines @@
 
   permissions_data->ClearTabSpecificPermissions(1);
   EXPECT_FALSE(permissions_data->GetTabSpecificPermissionsForTesting(1).get());
 
   EXPECT_TRUE(ScriptAllowedExclusivelyOnTab(extension.get(), no_urls, 0));
   EXPECT_TRUE(ScriptAllowedExclusivelyOnTab(extension.get(), no_urls, 1));
   EXPECT_TRUE(ScriptAllowedExclusivelyOnTab(extension.get(), no_urls, 2));
 }
 
 }  // namespace extensions