Add extensions code to use common updater in components/update_client/

extensions/browser/test_extensions_browser_client.cc

Index: extensions/browser/test_extensions_browser_client.cc
diff --git a/extensions/browser/test_extensions_browser_client.cc b/extensions/browser/test_extensions_browser_client.cc
index be9e4b5c30e99da966f3e29ba93d99e5f3d42be5..08ef2c0cba76e4583462e5e8cfdf3a3632f9f141 100644
--- a/extensions/browser/test_extensions_browser_client.cc
+++ b/extensions/browser/test_extensions_browser_client.cc
@@ -27,6 +27,11 @@ TestExtensionsBrowserClient::TestExtensionsBrowserClient(
 
 TestExtensionsBrowserClient::~TestExtensionsBrowserClient() {}
 
+void TestExtensionsBrowserClient::SetUpdateClientFactory(
+    const base::Callback<update_client::UpdateClient*(void)>& factory) {
+  update_client_factory_ = factory;
+}
+
 void TestExtensionsBrowserClient::SetIncognitoContext(BrowserContext* context) {
   // If a context is provided it must be off-the-record.
   DCHECK(!context || context->IsOffTheRecord());
@@ -200,4 +205,13 @@ TestExtensionsBrowserClient::GetExtensionWebContentsObserver(
   return nullptr;
 }
 
+scoped_refptr<update_client::UpdateClient>
+TestExtensionsBrowserClient::CreateUpdateClient(
+    content::BrowserContext* context) {
+  if (update_client_factory_.is_null()) {

[Sorin Jianu, 2015/10/14 20:37:09]

can use ?:

[asargent_no_longer_on_chrome, 2015/10/15 20:16:02]

Done.

+    return nullptr;
+  }
+  return make_scoped_refptr(update_client_factory_.Run());
+}
+
 }  // namespace extensions