Implement PushManager#hasPermission

chrome/browser/services/gcm/push_messaging_service_impl.cc

Index: chrome/browser/services/gcm/push_messaging_service_impl.cc
diff --git a/chrome/browser/services/gcm/push_messaging_service_impl.cc b/chrome/browser/services/gcm/push_messaging_service_impl.cc
index ec7b461420d340288fffabedf7ac30dc566b2b98..8b45e310b4641ca2cb84c9121dbd7a9207ebfed7 100644
--- a/chrome/browser/services/gcm/push_messaging_service_impl.cc
+++ b/chrome/browser/services/gcm/push_messaging_service_impl.cc
@@ -231,6 +231,44 @@ void PushMessagingServiceImpl::Register(
                  callback));
 }
 
+static PushPermissionStatus ToPushPermission(

[Michael van Ouwerkerk, 2014/10/20 16:30:07]

This should be in the anonymous namespace at the top.

[Miguel Garcia, 2014/10/22 16:35:27]

Done.

+    ContentSetting setting) {
+  switch (setting) {
+    case CONTENT_SETTING_ALLOW:
+      return PushPermissionStatus::PushPermissionGranted;
+    case CONTENT_SETTING_BLOCK:
+      return PushPermissionStatus::PushPermissionDenied;
+    case CONTENT_SETTING_ASK:
+      return PushPermissionStatus::PushPermissionDefault;
+    default:
+      NOTREACHED();
+      return PushPermissionStatus::PushPermissionDenied;
+  }
+}
+
+PushPermissionStatus PushMessagingServiceImpl::PermissionStatus(
+    const GURL& requesting_origin, int renderer_id, int render_frame_id) {
+  content::RenderFrameHost* render_frame_host =
+      content::RenderFrameHost::FromID(renderer_id, render_frame_id);
+
+  // The frame doesn't exist any more, or we received a bad frame id.
+  if (!render_frame_host)
+    return PushPermissionStatus::PushPermissionDenied;
+
+  content::WebContents* web_contents =
+      content::WebContents::FromRenderFrameHost(render_frame_host);
+
+  // The page doesn't exist any more or we got a bad render frame host.
+  if (!web_contents)
+    return PushPermissionStatus::PushPermissionDenied;
+
+  GURL embedder_origin = web_contents->GetLastCommittedURL().GetOrigin();
+  gcm::PushMessagingPermissionContext* permission_context =
+        gcm::PushMessagingPermissionContextFactory::GetForProfile(profile_);
+  return ToPushPermission(
+      permission_context->PermissionStatus(requesting_origin, embedder_origin));
+}
+
 void PushMessagingServiceImpl::RegisterEnd(
     const content::PushMessagingService::RegisterCallback& callback,
     const std::string& registration_id,