Fix remaining incompatibilities between scoped_ptr and unique_ptr.

ppapi/proxy/compositor_layer_resource.cc

Index: ppapi/proxy/compositor_layer_resource.cc
diff --git a/ppapi/proxy/compositor_layer_resource.cc b/ppapi/proxy/compositor_layer_resource.cc
index fc88f6a5f01b07d2e5dea9c0d73fb7a9860d71be..838a51389bc315ae6e8414d7e2fa8982ffa3784a 100644
--- a/ppapi/proxy/compositor_layer_resource.cc
+++ b/ppapi/proxy/compositor_layer_resource.cc
@@ -344,19 +344,19 @@ bool CompositorLayerResource::SetType(LayerType type) {
   if (type == TYPE_COLOR) {
     if (data_.is_null())
       data_.color.reset(new CompositorLayerData::ColorLayer());
-    return data_.color;
+    return !!data_.color;
   }
 
   if (type == TYPE_TEXTURE) {
     if (data_.is_null())
       data_.texture.reset(new CompositorLayerData::TextureLayer());
-    return data_.texture;
+    return !!data_.texture;
   }
 
   if (type == TYPE_IMAGE) {
     if (data_.is_null())
       data_.image.reset(new CompositorLayerData::ImageLayer());
-    return data_.image;
+    return !!data_.image;
   }
 
   // Should not be reached.