Move CommandLine to base namespace.

chrome/installer/util/chrome_app_host_operations.h

Index: chrome/installer/util/chrome_app_host_operations.h
diff --git a/chrome/installer/util/chrome_app_host_operations.h b/chrome/installer/util/chrome_app_host_operations.h
index cb954a58d9c22a74352d22fa8f393a6e22061831..bbd75ba0695567a5eef44b20b0a7dd238ff0b5d3 100644
--- a/chrome/installer/util/chrome_app_host_operations.h
+++ b/chrome/installer/util/chrome_app_host_operations.h
@@ -20,7 +20,7 @@ class ChromeAppHostOperations : public ProductOperations {
   virtual void ReadOptions(const MasterPreferences& prefs,
                            std::set<base::string16>* options) const OVERRIDE;
 
-  virtual void ReadOptions(const CommandLine& uninstall_command,
+  virtual void ReadOptions(const base::CommandLine& uninstall_command,
                            std::set<base::string16>* options) const OVERRIDE;
 
   virtual void AddKeyFiles(
@@ -32,10 +32,10 @@ class ChromeAppHostOperations : public ProductOperations {
       std::vector<base::FilePath>* com_dll_list) const OVERRIDE;
 
   virtual void AppendProductFlags(const std::set<base::string16>& options,
-                                  CommandLine* cmd_line) const OVERRIDE;
+                                  base::CommandLine* cmd_line) const OVERRIDE;
 
   virtual void AppendRenameFlags(const std::set<base::string16>& options,
-                                 CommandLine* cmd_line) const OVERRIDE;
+                                 base::CommandLine* cmd_line) const OVERRIDE;
 
   virtual bool SetChannelFlags(const std::set<base::string16>& options,
                                bool set,