Ensure EasyUnlockPrivateAPI factory is initialized on start up.

chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc

Index: chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc
diff --git a/chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc b/chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc
index 8844619823b4468ed17faca696d2765ca1c0f9d8..c9d40039efabffd5646d9d60c178348c4b54a2a6 100644
--- a/chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc
+++ b/chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc
@@ -40,7 +40,8 @@
 #endif
 
 namespace extensions {
-namespace api {
+
+namespace easy_unlock_private = api::easy_unlock_private;
 
 namespace {
 
@@ -51,7 +52,7 @@ static base::LazyInstance<BrowserContextKeyedAPIFactory<EasyUnlockPrivateAPI> >
 EasyUnlockPrivateCryptoDelegate* GetCryptoDelegate(
     content::BrowserContext* context) {
   return BrowserContextKeyedAPIFactory<EasyUnlockPrivateAPI>::Get(context)
-             ->crypto_delegate();
+      ->GetCryptoDelegate();
 }
 
 EasyUnlockScreenlockStateHandler::State ToScreenlockStateHandlerState(
@@ -93,12 +94,17 @@ BrowserContextKeyedAPIFactory<EasyUnlockPrivateAPI>*
   return g_factory.Pointer();
 }
 
-EasyUnlockPrivateAPI::EasyUnlockPrivateAPI(content::BrowserContext* context)
-    : crypto_delegate_(EasyUnlockPrivateCryptoDelegate::Create()) {
+EasyUnlockPrivateAPI::EasyUnlockPrivateAPI(content::BrowserContext* context) {
 }
 
 EasyUnlockPrivateAPI::~EasyUnlockPrivateAPI() {}
 
+EasyUnlockPrivateCryptoDelegate* EasyUnlockPrivateAPI::GetCryptoDelegate() {
+  if (!crypto_delegate_)
+    crypto_delegate_ = EasyUnlockPrivateCryptoDelegate::Create();
+  return crypto_delegate_.get();
+}
+
 EasyUnlockPrivateGetStringsFunction::EasyUnlockPrivateGetStringsFunction() {
 }
 EasyUnlockPrivateGetStringsFunction::~EasyUnlockPrivateGetStringsFunction() {
@@ -835,5 +841,4 @@ bool EasyUnlockPrivateSetAutoPairingResultFunction::RunSync() {
   return true;
 }
 
-}  // namespace api
 }  // namespace extensions