Switch to mojo localstorage backend by default.

content/public/common/content_switches.h

Index: content/public/common/content_switches.h
diff --git a/content/public/common/content_switches.h b/content/public/common/content_switches.h
index 849e9fd62a0b247cb5ddaf4deeee4212df361702..74fe5589c3aa2416219883948cbdc9986df6fc2b 100644
--- a/content/public/common/content_switches.h
+++ b/content/public/common/content_switches.h
@@ -71,6 +71,7 @@ CONTENT_EXPORT extern const char kDisablePreferCompositingToLCDText[];
 CONTENT_EXPORT extern const char kDisableKillAfterBadIPC[];
 CONTENT_EXPORT extern const char kDisableLocalStorage[];
 CONTENT_EXPORT extern const char kDisableLogging[];
+CONTENT_EXPORT extern const char kDisableMojoLocalStorage[];
 CONTENT_EXPORT extern const char kDisableNamespaceSandbox[];
 CONTENT_EXPORT extern const char kDisableNotifications[];
 CONTENT_EXPORT extern const char kDisablePartialRaster[];
@@ -194,7 +195,6 @@ CONTENT_EXPORT extern const char kMHTMLGeneratorOption[];
 CONTENT_EXPORT extern const char kMHTMLSkipNostoreMain[];
 CONTENT_EXPORT extern const char kMHTMLSkipNostoreAll[];
 CONTENT_EXPORT extern const char kMojoInputMessages[];
-CONTENT_EXPORT extern const char kMojoLocalStorage[];
 CONTENT_EXPORT extern const char kMuteAudio[];
 CONTENT_EXPORT extern const char kNoReferrers[];
 CONTENT_EXPORT extern const char kNoSandbox[];