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

chrome/browser/apps/app_url_redirector.cc

Index: chrome/browser/apps/app_url_redirector.cc
diff --git a/chrome/browser/apps/app_url_redirector.cc b/chrome/browser/apps/app_url_redirector.cc
index 2588cd8eeb9fac637e26525b00f18c42671df6ab..cfa5ce238279084ad8693df6b6282959521ea0dc 100644
--- a/chrome/browser/apps/app_url_redirector.cc
+++ b/chrome/browser/apps/app_url_redirector.cc
@@ -11,7 +11,6 @@
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/common/extensions/api/url_handlers/url_handlers_parser.h"
 #include "chrome/common/extensions/extension_messages.h"
-#include "chrome/common/extensions/extension_set.h"
 #include "components/navigation_interception/intercept_navigation_resource_throttle.h"
 #include "components/navigation_interception/navigation_params.h"
 #include "content/public/browser/browser_thread.h"
@@ -21,6 +20,7 @@
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/common/extension.h"
+#include "extensions/common/extension_set.h"
 #include "net/url_request/url_request.h"
 
 using content::BrowserThread;
@@ -101,9 +101,9 @@ AppUrlRedirector::MaybeCreateThrottleFor(net::URLRequest* request,
     return NULL;
   }
 
-  const ExtensionSet& extensions =
+  const extensions::ExtensionSet& extensions =
       profile_io_data->GetExtensionInfoMap()->extensions();
-  for (ExtensionSet::const_iterator iter = extensions.begin();
+  for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
        iter != extensions.end();
        ++iter) {
     const UrlHandlerInfo* handler =