Split up extensions storage API implementations for sync and local storage.

chrome/browser/extensions/api/storage/settings_frontend_unittest.cc

Index: chrome/browser/extensions/api/storage/settings_frontend_unittest.cc
diff --git a/chrome/browser/extensions/api/storage/settings_frontend_unittest.cc b/chrome/browser/extensions/api/storage/settings_frontend_unittest.cc
index c718e3106eb2784f9e0d6068e5a9639ae8e7fcc7..f26d40b652df11b41f6d20937663559fcb9ba1b4 100644
--- a/chrome/browser/extensions/api/storage/settings_frontend_unittest.cc
+++ b/chrome/browser/extensions/api/storage/settings_frontend_unittest.cc
@@ -93,6 +93,17 @@ class ExtensionSettingsFrontendTest : public testing::Test {
 // alternating in each test.
 // TODO(kalman): explicitly test the two interact correctly.
 
+// Tests that the frontend is set up correctly.
+TEST_F(ExtensionSettingsFrontendTest, Basics) {
+  // Local storage is always enabled.
+  EXPECT_TRUE(frontend_->IsStorageEnabled(settings::LOCAL));
+  EXPECT_TRUE(frontend_->GetValueStoreCache(settings::LOCAL));
+
+  // Invalid storage areas are not available.
+  EXPECT_FALSE(frontend_->IsStorageEnabled(settings::INVALID));
+  EXPECT_FALSE(frontend_->GetValueStoreCache(settings::INVALID));
+}
+
 TEST_F(ExtensionSettingsFrontendTest, SettingsPreservedAcrossReconstruction) {
   const std::string id = "ext";
   scoped_refptr<const Extension> extension =