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

chrome/browser/ui/browser_browsertest.cc

Index: chrome/browser/ui/browser_browsertest.cc
diff --git a/chrome/browser/ui/browser_browsertest.cc b/chrome/browser/ui/browser_browsertest.cc
index 16261a8fab11d685ed1540800ca037a8ec2da9d9..cc451c39c08b5c6978d43e332913530fb43d5f2b 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -75,6 +75,7 @@
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "extensions/common/extension.h"
+#include "extensions/common/extension_set.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "net/dns/mock_host_resolver.h"
@@ -352,9 +353,10 @@ class BrowserTest : public ExtensionBrowserTest {
 
   // Returns the app extension aptly named "App Test".
   const Extension* GetExtension() {
-    const ExtensionSet* extensions = extensions::ExtensionSystem::Get(
-        browser()->profile())->extension_service()->extensions();
-    for (ExtensionSet::const_iterator it = extensions->begin();
+    const extensions::ExtensionSet* extensions =
+        extensions::ExtensionSystem::Get(
+            browser()->profile())->extension_service()->extensions();
+    for (extensions::ExtensionSet::const_iterator it = extensions->begin();
          it != extensions->end(); ++it) {
       if ((*it)->name() == "App Test")
         return it->get();