Support automatic javascript test registry in gtest when creating WebUI tests.

base/path_service_unittest.cc

Index: base/path_service_unittest.cc
diff --git a/base/path_service_unittest.cc b/base/path_service_unittest.cc
index 26998de5c097ceaccf95e83f0cac54056c0a0255..7fa49a52a3a9dd3e1e73b1d644f4ab2295376574 100644
--- a/base/path_service_unittest.cc
+++ b/base/path_service_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -39,6 +39,17 @@ bool ReturnsInvalidPath(int dir_type) {
 }
 #endif
 
+const int kSimpleProviderKey = 9999;
+const FilePath::CharType kSimpleProviderPath[] = FILE_PATH_LITERAL(".");
+
+bool SimpleProvider(int key, FilePath* result) {
+  if (key == kSimpleProviderKey) {
+    *result = FilePath(kSimpleProviderPath);
+    return true;
+  }
+  return false;
+}
+
 }  // namespace
 
 // On the Mac this winds up using some autoreleased objects, so we need to
@@ -70,3 +81,12 @@ TEST_F(PathServiceTest, Get) {
   }
 #endif
 }
+
+TEST_F(PathServiceTest, RegisterUnregister) {
+  EXPECT_FALSE(ReturnsValidPath(kSimpleProviderKey)) << kSimpleProviderKey;
+  PathService::RegisterProvider(&SimpleProvider,
+                                kSimpleProviderKey, kSimpleProviderKey+1);
+  EXPECT_TRUE(ReturnsValidPath(kSimpleProviderKey)) << kSimpleProviderKey;
+  PathService::UnregisterProvider(&SimpleProvider);
+  EXPECT_FALSE(ReturnsValidPath(kSimpleProviderKey)) << kSimpleProviderKey;
+}