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 f63b98afdcef5567764c12f8bc7d727120a86609..aa4858351277cf0c97cdbd01e4d6bbaf49381cbc 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[];
@@ -195,7 +196,6 @@ extern const char kMemoryMetrics[];
 CONTENT_EXPORT extern const char kMHTMLGeneratorOption[];
 CONTENT_EXPORT extern const char kMHTMLSkipNostoreMain[];
 CONTENT_EXPORT extern const char kMHTMLSkipNostoreAll[];
-CONTENT_EXPORT extern const char kMojoLocalStorage[];
 CONTENT_EXPORT extern const char kMuteAudio[];
 CONTENT_EXPORT extern const char kNoReferrers[];
 CONTENT_EXPORT extern const char kNoSandbox[];