Move Extension into extensions namespace

chrome/browser/extensions/process_management_browsertest.cc

Index: chrome/browser/extensions/process_management_browsertest.cc
diff --git a/chrome/browser/extensions/process_management_browsertest.cc b/chrome/browser/extensions/process_management_browsertest.cc
index 1639161f72859e38cabe25267461f4ed3710e718..9436e14c6c69d3dac728ec8d1cc94d5087582bd2 100644
--- a/chrome/browser/extensions/process_management_browsertest.cc
+++ b/chrome/browser/extensions/process_management_browsertest.cc
@@ -63,7 +63,7 @@ IN_PROC_BROWSER_TEST_F(ProcessManagementTest, ProcessOverflow) {
   base_url = base_url.ReplaceComponents(replace_host);
 
   // Load an extension before adding tabs.
-  const Extension* extension1 = LoadExtension(
+  const extensions::Extension* extension1 = LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/basics"));
   ASSERT_TRUE(extension1);
   GURL extension1_url = extension1->url();
@@ -101,7 +101,7 @@ IN_PROC_BROWSER_TEST_F(ProcessManagementTest, ProcessOverflow) {
       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 
   // Load another extension.
-  const Extension* extension2 = LoadExtension(
+  const extensions::Extension* extension2 = LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/close_background"));
   ASSERT_TRUE(extension2);
   GURL extension2_url = extension2->url();