Move Extension into extensions namespace

BUG=117262
TBR=aa@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10375021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@138074 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/chrome/browser/extensions/extension_process_manager.cc b/chrome/browser/extensions/extension_process_manager.cc
index 63437bd..1685138 100644
--- a/chrome/browser/extensions/extension_process_manager.cc
+++ b/chrome/browser/extensions/extension_process_manager.cc
@@ -43,6 +43,7 @@ using content::OpenURLParams;
 using content::Referrer;
 using content::RenderViewHost;
 using content::SiteInstance;
+using extensions::Extension;
 
 namespace {
 
@@ -540,7 +541,8 @@ void ExtensionProcessManager::Observe(
 
     case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
       const Extension* extension =
-          content::Details<UnloadedExtensionInfo>(details)->extension;
+          content::Details<extensions::UnloadedExtensionInfo>(
+              details)->extension;
       for (ExtensionHostSet::iterator iter = background_hosts_.begin();
            iter != background_hosts_.end(); ++iter) {
         ExtensionHost* host = *iter;