Cleanups in ScreenOrientationDispatcherHost.

BUG=None

Review URL: https://codereview.chromium.org/408213003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284786 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/screen_orientation/screen_orientation_dispatcher_host.cc

@@ -102,16 +102,16 @@ void ScreenOrientationDispatcherHost::OnLockRequest(
                     blink::WebLockOrientationErrorCanceled);
   }
 
-  current_lock_ = new LockInformation(request_id,
-                                      render_frame_host->GetProcess()->GetID(),
-                                      render_frame_host->GetRoutingID());
-
   if (!provider_) {
     NotifyLockError(request_id,
                     blink::WebLockOrientationErrorNotAvailable);
     return;
   }
 
+  current_lock_ = new LockInformation(request_id,
+                                      render_frame_host->GetProcess()->GetID(),
+                                      render_frame_host->GetRoutingID());
+
   provider_->LockOrientation(request_id, orientation);
 }
 
@@ -122,7 +122,7 @@ void ScreenOrientationDispatcherHost::OnUnlockRequest(
                     blink::WebLockOrientationErrorCanceled);
   }
 
-  if (!provider_.get())
+  if (!provider_)
     return;
 
   provider_->UnlockOrientation();