[ios showcase]Configures Resource Bundle and adds Toolbar Coordinator

ios/showcase/settings/sc_settings_coordinator.mm

Index: ios/showcase/settings/sc_settings_coordinator.mm
diff --git a/ios/showcase/settings/settings_coordinator.mm b/ios/showcase/settings/sc_settings_coordinator.mm
similarity index 85%
rename from ios/showcase/settings/settings_coordinator.mm
rename to ios/showcase/settings/sc_settings_coordinator.mm
index 8e28d4476c4795b1e75b16920092712896b87c81..92bd7717bc26e720b36d353cfb3e3f7cef670eaf 100644
--- a/ios/showcase/settings/settings_coordinator.mm
+++ b/ios/showcase/settings/sc_settings_coordinator.mm
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "ios/showcase/settings/settings_coordinator.h"
+#import "ios/showcase/settings/sc_settings_coordinator.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
-@implementation SettingsCoordinator
+@implementation SCSettingsCoordinator
 
 @synthesize baseViewController;