Move each permission classes to its own files in extensions/permissions

chrome/browser/ui/extensions/shell_window.cc

Index: chrome/browser/ui/extensions/shell_window.cc
diff --git a/chrome/browser/ui/extensions/shell_window.cc b/chrome/browser/ui/extensions/shell_window.cc
index af6aa863fea61eeb87a42639cef3afcf7212b867..c012cb1608fd2c1b743c7da8c5841d0d37cb7c4e 100644
--- a/chrome/browser/ui/extensions/shell_window.cc
+++ b/chrome/browser/ui/extensions/shell_window.cc
@@ -37,6 +37,7 @@
 using content::ConsoleMessageLevel;
 using content::SiteInstance;
 using content::WebContents;
+using extensions::APIPermission;
 
 namespace {
 static const int kDefaultWidth = 512;
@@ -124,14 +125,14 @@ void ShellWindow::RequestMediaAccessPermission(
   content::MediaStreamDeviceMap::const_iterator iter =
       request->devices.find(content::MEDIA_STREAM_DEVICE_TYPE_AUDIO_CAPTURE);
   if (iter != request->devices.end() &&
-      extension()->HasAPIPermission(ExtensionAPIPermission::kAudioCapture) &&
+      extension()->HasAPIPermission(APIPermission::kAudioCapture) &&
       !iter->second.empty()) {
     devices.push_back(iter->second[0]);
   }
 
   iter = request->devices.find(content::MEDIA_STREAM_DEVICE_TYPE_VIDEO_CAPTURE);
   if (iter != request->devices.end() &&
-      extension()->HasAPIPermission(ExtensionAPIPermission::kVideoCapture) &&
+      extension()->HasAPIPermission(APIPermission::kVideoCapture) &&
       !iter->second.empty()) {
     devices.push_back(iter->second[0]);
   }