Moving webview media permission request to extensions.

extensions/browser/guest_view/web_view/web_view_permission_helper.cc

Index: extensions/browser/guest_view/web_view/web_view_permission_helper.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_permission_helper.cc b/extensions/browser/guest_view/web_view/web_view_permission_helper.cc
index d713279e23beb14be9518b941f9c43468e50b147..c99eddea501c7783d193dcc4b24678d1f3527f19 100644
--- a/extensions/browser/guest_view/web_view/web_view_permission_helper.cc
+++ b/extensions/browser/guest_view/web_view/web_view_permission_helper.cc
@@ -180,16 +180,49 @@ void WebViewPermissionHelper::RequestMediaAccessPermission(
     content::WebContents* source,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback) {
-  web_view_permission_helper_delegate_->RequestMediaAccessPermission(
-      source, request, callback);
+  base::DictionaryValue request_info;
+  request_info.SetString(guestview::kUrl, request.security_origin.spec());
+  RequestPermission(
+      WEB_VIEW_PERMISSION_TYPE_MEDIA,
+      request_info,
+      base::Bind(&WebViewPermissionHelper::OnMediaPermissionResponse,
+                 weak_factory_.GetWeakPtr(),
+                 request,
+                 callback),
+      false /* allowed_by_default */);
 }
 
 bool WebViewPermissionHelper::CheckMediaAccessPermission(
     content::WebContents* source,
     const GURL& security_origin,
     content::MediaStreamType type) {
-  return web_view_permission_helper_delegate_->CheckMediaAccessPermission(
-      source, security_origin, type);
+  return web_view_guest()
+      ->embedder_web_contents()
+      ->GetDelegate()
+      ->CheckMediaAccessPermission(
+          web_view_guest()->embedder_web_contents(), security_origin, type);
+}
+
+void WebViewPermissionHelper::OnMediaPermissionResponse(
+    const content::MediaStreamRequest& request,
+    const content::MediaResponseCallback& callback,
+    bool allow,
+    const std::string& user_input) {
+  if (!allow || !web_view_guest()->attached()) {
+    // Deny the request.
+    callback.Run(content::MediaStreamDevices(),
+                 content::MEDIA_DEVICE_INVALID_STATE,
+                 scoped_ptr<content::MediaStreamUI>());
+    return;
+  }
+  if (!web_view_guest()->embedder_web_contents()->GetDelegate())
+    return;
+
+  web_view_guest()
+      ->embedder_web_contents()
+      ->GetDelegate()
+      ->RequestMediaAccessPermission(
+          web_view_guest()->embedder_web_contents(), request, callback);
 }
 
 void WebViewPermissionHelper::CanDownload(