Support Chromium-branded builds and cleanup reference build usage.

chrome/test/ui/dromaeo_benchmark_uitest.cc

Index: chrome/test/ui/dromaeo_benchmark_uitest.cc
diff --git a/chrome/test/ui/dromaeo_benchmark_uitest.cc b/chrome/test/ui/dromaeo_benchmark_uitest.cc
index 59a780e32770405d50a49bdb4c84b1dc1b17f34c..9a9e323b99bd6e827dc3ae9c0c04b74201a253c0 100644
--- a/chrome/test/ui/dromaeo_benchmark_uitest.cc
+++ b/chrome/test/ui/dromaeo_benchmark_uitest.cc
@@ -126,21 +126,9 @@ class DromaeoReferenceTest : public DromaeoTest {
     reference_ = true;
   }
 
-  // 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;
-    UITest::SetUp();
+    UseReferenceBuild();
+    DromaeoTest::SetUp();
   }
 };