Pulling user experiment code from BrowserDistribution to a new class.

chrome/installer/util/product.cc

Index: chrome/installer/util/product.cc
diff --git a/chrome/installer/util/product.cc b/chrome/installer/util/product.cc
index bc3e6b3f8b93a9a4223250287edba44285e8a0b5..fc1bf1a2492cefe2dd09671c0aef3d531f376e9e 100644
--- a/chrome/installer/util/product.cc
+++ b/chrome/installer/util/product.cc
@@ -163,4 +163,13 @@ void Product::AddDefaultShortcutProperties(
       distribution_, target_exe, properties);
 }
 
+void Product::LaunchUserExperiment(const base::FilePath& setup_path,
+                                   InstallStatus status,
+                                   bool system_level) const {
+  if (distribution_->HasUserExperiments()) {
+    operations_->LaunchUserExperiment(
+        setup_path, options_, status, system_level);
+  }
+}
+
 }  // namespace installer