Bug 1245959 - Check plugin has non-zero dimensions before sending image to compositor. r=nical

MozReview-Commit-ID: KEd5IBUGlo6

--HG--
extra : rebase_source : b1719e8c1a5cbca40a3940cf9262a4bb28b93abe

dom/plugins/base/nsPluginInstanceOwner.cpp

@@ -222,6 +222,7 @@ nsPluginInstanceOwner::GetImageContainer()
 
   container = LayerManager::CreateImageContainer();
 
+  if (r.width && r.height) {
     // Try to get it as an EGLImage first.
     RefPtr<Image> img;
     AttachToContainerAsSurfaceTexture(container, mInstance, r, &img);
@@ -229,6 +230,7 @@ nsPluginInstanceOwner::GetImageContainer()
     if (img) {
       container->SetCurrentImageInTransaction(img);
     }
+  }
 #else
   if (NeedsScrollImageLayer()) {
     // windowed plugin under e10s
@@ -1578,11 +1580,13 @@ nsPluginInstanceOwner::GetImageContainerForVideo(nsNPAPIPluginInstance::VideoInf
 {
   RefPtr<ImageContainer> container = LayerManager::CreateImageContainer();
 
+  if (aVideoInfo->mDimensions.width && aVideoInfo->mDimensions.height) {
     RefPtr<Image> img = new SurfaceTextureImage(
       aVideoInfo->mSurfaceTexture,
       gfx::IntSize::Truncate(aVideoInfo->mDimensions.width, aVideoInfo->mDimensions.height),
       gl::OriginPos::BottomLeft);
     container->SetCurrentImageInTransaction(img);
+  }
 
   return container.forget();
 }