Remove a few unused typedefs.

BUG=321833
NOTRY=true

Review URL: https://codereview.chromium.org/266133002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@268133 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/media_galleries/fileapi/iphoto_data_provider.cc

@@ -48,7 +48,6 @@ void IPhotoDataProvider::OnLibraryParsed(const ReadyCallback& ready_callback,
 
 void IPhotoDataProvider::BuildIndices(const parser::Library& library) {
   typedef base::hash_map<uint64, const base::FilePath*> IdIndex;
-  typedef base::hash_map<uint64, std::string> IdFileNameIndex;
 
   IdIndex photo_id_index;
   IdIndex originals_id_index;

chrome/browser/themes/browser_theme_pack.cc

@@ -1451,7 +1451,6 @@ void BrowserThemePack::CreateTabBackgroundImages(ImageCache* images) const {
 
 void BrowserThemePack::RepackImages(const ImageCache& images,
                                     RawImages* reencoded_images) const {
-  typedef std::vector<ui::ScaleFactor> ScaleFactors;
   for (ImageCache::const_iterator it = images.begin();
        it != images.end(); ++it) {
     gfx::ImageSkia image_skia = *it->second.ToImageSkia();

chrome/browser/ui/cocoa/apps/quit_with_apps_controller_mac.cc

@@ -84,8 +84,6 @@ void QuitWithAppsController::Click() {
 }
 
 void QuitWithAppsController::ButtonClick(int button_index) {
-  typedef apps::AppWindowRegistry::AppWindowList AppWindowList;
-
   g_browser_process->notification_ui_manager()->CancelById(id());
   if (button_index == kQuitAllAppsButtonIndex) {
     apps::AppWindowRegistry::CloseAllAppWindows();