Support Chromium-branded builds and cleanup reference build usage.

chrome/test/page_cycler/page_cycler_test.cc

Index: chrome/test/page_cycler/page_cycler_test.cc
diff --git a/chrome/test/page_cycler/page_cycler_test.cc b/chrome/test/page_cycler/page_cycler_test.cc
index 6eaa4fed123f475c82a162e635e6062899c4d53f..54e2cad771cc8cacde95f63c92390666680c066c 100644
--- a/chrome/test/page_cycler/page_cycler_test.cc
+++ b/chrome/test/page_cycler/page_cycler_test.cc
@@ -258,20 +258,8 @@ class PageCyclerTest : public UIPerfTest {
 
 class PageCyclerReferenceTest : public PageCyclerTest {
  public:
-  // override the browser directory that is used by UITest::SetUp to cause it
-  // to use the reference build instead.
   void SetUp() {
-    FilePath dir;
-    PathService::Get(chrome::DIR_TEST_TOOLS, &dir);
-    dir = dir.AppendASCII("reference_build");
-#if defined(OS_WIN)
-    dir = dir.AppendASCII("chrome");
-#elif defined(OS_LINUX)
-    dir = dir.AppendASCII("chrome_linux");
-#elif defined(OS_MACOSX)
-    dir = dir.AppendASCII("chrome_mac");
-#endif
-    browser_directory_ = dir;
+    UseReferenceBuild();
     PageCyclerTest::SetUp();
   }