Enable SyncFileSystem API on Stable

chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc

Index: chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
diff --git a/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc b/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
index 572d557e8ab1e3c623d2794e27329cc82574e037..f11cf299f4fa6aae674f1e42b56790b4c75f51c2 100644
--- a/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
+++ b/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
@@ -15,7 +15,6 @@
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
 #include "chrome/common/chrome_version_info.h"
-#include "chrome/common/extensions/features/feature.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/fileapi/file_system_url.h"
@@ -39,11 +38,7 @@ namespace {
 
 class SyncFileSystemApiTest : public ExtensionApiTest {
  public:
-  // Override the current channel to "trunk" as syncFileSystem is currently
-  // available only on trunk channel.
-  SyncFileSystemApiTest()
-      : current_channel_(VersionInfo::CHANNEL_UNKNOWN) {
-  }
+  SyncFileSystemApiTest() {}
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     mock_remote_service_ = new ::testing::NiceMock<MockRemoteFileSyncService>;
@@ -66,7 +61,6 @@ class SyncFileSystemApiTest : public ExtensionApiTest {
   }
 
  private:
-  extensions::Feature::ScopedCurrentChannel current_channel_;
   ::testing::NiceMock<MockRemoteFileSyncService>* mock_remote_service_;
   int64 real_default_quota_;
 };