Fix losing of scoped feature channel in tests when it's equal to stable

chrome/browser/extensions/chrome_extensions_browser_client.cc

Index: chrome/browser/extensions/chrome_extensions_browser_client.cc
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.cc b/chrome/browser/extensions/chrome_extensions_browser_client.cc
index 51ed63e3dd1d791323a97982b778bfa1873dbdc2..2f8b4c4e40d809386721a454dd77c754bacbf1fd 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.cc
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.cc
@@ -74,9 +74,7 @@ namespace extensions {
 ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {
   process_manager_delegate_.reset(new ChromeProcessManagerDelegate);
   api_client_.reset(new ChromeExtensionsAPIClient);
-  // Only set if it hasn't already been set (e.g. by a test).
-  if (GetCurrentChannel() == GetDefaultChannel())
-    SetCurrentChannel(chrome::GetChannel());
+  SetCurrentChannel(chrome::GetChannel());
   resource_manager_.reset(new ChromeComponentExtensionResourceManager());
 }