Move c/c/e/extension_set to top-level extensions/

chrome/browser/ui/app_list/search/app_search_provider_unittest.cc

Index: chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
diff --git a/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc b/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
index ab44c2d9fc673c423d09f1324b22c46e58c6ffc8..f25b09b7bc420ddc5d38565a19e6c5deea5a7ea3 100644
--- a/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
+++ b/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/ui/app_list/search/app_search_provider.h"
 #include "chrome/browser/ui/app_list/search/chrome_search_result.h"
 #include "chrome/test/base/testing_profile.h"
+#include "extensions/common/extension_set.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace app_list {
@@ -42,7 +43,7 @@ class AppSearchProviderTest : public ExtensionServiceTestBase {
     service_->Init();
 
     // There should be 4 extensions in the test profile.
-    const ExtensionSet* extensions = service_->extensions();
+    const extensions::ExtensionSet* extensions = service_->extensions();
     ASSERT_EQ(static_cast<size_t>(4),  extensions->size());
 
     app_search_.reset(new AppSearchProvider(profile_.get(), NULL));