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

chrome/browser/extensions/extension_context_menu_browsertest.cc

Index: chrome/browser/extensions/extension_context_menu_browsertest.cc
diff --git a/chrome/browser/extensions/extension_context_menu_browsertest.cc b/chrome/browser/extensions/extension_context_menu_browsertest.cc
index 616465ac261e7b37ab294c3b411a8d3e28fdc51d..a461a3ca3cfc7869525f22bf0092c09be77f9bb2 100644
--- a/chrome/browser/extensions/extension_context_menu_browsertest.cc
+++ b/chrome/browser/extensions/extension_context_menu_browsertest.cc
@@ -133,10 +133,10 @@ class ExtensionContextMenuBrowserTest : public ExtensionBrowserTest {
   // Returns a pointer to the currently loaded extension with |name|, or null
   // if not found.
   const extensions::Extension* GetExtensionNamed(std::string name) {
-    const ExtensionSet* extensions =
+    const extensions::ExtensionSet* extensions =
         browser()->profile()->GetExtensionService()->extensions();
-    ExtensionSet::const_iterator i;
-    for (i = extensions->begin(); i != extensions->end(); ++i) {
+    for (extensions::ExtensionSet::const_iterator i = extensions->begin();
+         i != extensions->end(); ++i) {
       if ((*i)->name() == name) {
         return i->get();
       }