Make ExtensionService use ExtensionSet.

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 1fe2247e16b2246764361d39dc5155c4bea72b54..2be14649b8b335ac1191bf0be880d856152d2d41 100644
--- a/chrome/browser/extensions/extension_context_menu_browsertest.cc
+++ b/chrome/browser/extensions/extension_context_menu_browsertest.cc
@@ -156,9 +156,9 @@ class ExtensionContextMenuBrowserTest : public ExtensionBrowserTest {
   // Returns a pointer to the currently loaded extension with |name|, or null
   // if not found.
   const Extension* GetExtensionNamed(std::string name) {
-    const ExtensionList* extensions =
+    const ExtensionSet* extensions =
         browser()->profile()->GetExtensionService()->extensions();
-    ExtensionList::const_iterator i;
+    ExtensionSet::const_iterator i;
     for (i = extensions->begin(); i != extensions->end(); ++i) {
       if ((*i)->name() == name) {
         return *i;