Aura: Separate constrained window and translucent frame flags

ui/aura_shell/shell.cc

Index: ui/aura_shell/shell.cc
diff --git a/ui/aura_shell/shell.cc b/ui/aura_shell/shell.cc
index 406215edf0c8b29e878f604d4eda60f520fb529d..3579fe192a7622dceb40c2191c1fbdbcd48372dd 100644
--- a/ui/aura_shell/shell.cc
+++ b/ui/aura_shell/shell.cc
@@ -218,10 +218,11 @@ void Shell::Init() {
   GetContainer(aura_shell::internal::kShellWindowId_StatusContainer)->
       SetLayoutManager(status_area_layout_manager);
 
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kAuraNoShadows))
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (!command_line->HasSwitch(switches::kAuraNoShadows))
     shadow_controller_.reset(new internal::ShadowController());
 
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAuraWindows)) {
+  if (command_line->HasSwitch(switches::kAuraConstrainedWindows)) {
     EnableWorkspaceManager();
   } else {
     internal::ToplevelLayoutManager* toplevel_layout_manager =