Pulling user experiment code from BrowserDistribution to a new class.

chrome/installer/util/chrome_binaries_operations.h

Index: chrome/installer/util/chrome_binaries_operations.h
diff --git a/chrome/installer/util/chrome_binaries_operations.h b/chrome/installer/util/chrome_binaries_operations.h
index a780ba47cf0710b56f40f64d73528286300c3e4c..04a8d4061f149aa02bbe81a21e42197e09667e61 100644
--- a/chrome/installer/util/chrome_binaries_operations.h
+++ b/chrome/installer/util/chrome_binaries_operations.h
@@ -51,6 +51,11 @@ class ChromeBinariesOperations : public ProductOperations {
       const base::FilePath& target_exe,
       ShellUtil::ShortcutProperties* properties) const OVERRIDE;
 
+  virtual void LaunchUserExperiment(const base::FilePath& setup_path,
+                                    const std::set<std::wstring>& options,
+                                    InstallStatus status,
+                                    bool system_level) const OVERRIDE;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeBinariesOperations);
 };