5 files changed, 18 insertions, 18 deletions
diff --git a/components/compositing/compositor.rs b/components/compositing/compositor.rs
index 35b6c8133b6..f6069f5f9d4 100644
--- a/components/compositing/compositor.rs
+++ b/components/compositing/compositor.rs
@@ -28,8 +28,8 @@ use layers::platform::surface::NativeDisplay;
 use layers::rendergl;
 use layers::rendergl::RenderContext;
 use layers::scene::Scene;
-use layout_traits::LayoutControlChan;
-use msg::constellation_msg::{ConvertPipelineIdFromWebRender, ConvertPipelineIdToWebRender, Image, PixelFormat};
+use layout_traits::{ConvertPipelineIdToWebRender, LayoutControlChan};
+use msg::constellation_msg::{ConvertPipelineIdFromWebRender, Image, PixelFormat};
 use msg::constellation_msg::{Key, KeyModifiers, KeyState, LoadData};
 use msg::constellation_msg::{NavigationDirection, PipelineId, WindowSizeData, WindowSizeType};
 use pipeline::CompositionPipeline;
diff --git a/components/layout/layout_thread.rs b/components/layout/layout_thread.rs
index bf325b8dbdd..0712e302752 100644
--- a/components/layout/layout_thread.rs
+++ b/components/layout/layout_thread.rs
@@ -35,9 +35,9 @@ use incremental::{REPAINT};
 use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
 use ipc_channel::router::ROUTER;
 use layout_debug;
-use layout_traits::LayoutThreadFactory;
+use layout_traits::{ConvertPipelineIdToWebRender, LayoutThreadFactory};
 use log;
-use msg::constellation_msg::{ConstellationChan, ConvertPipelineIdToWebRender, PanicMsg, PipelineId};
+use msg::constellation_msg::{ConstellationChan, PanicMsg, PipelineId};
 use net_traits::image_cache_thread::{ImageCacheChan, ImageCacheResult, ImageCacheThread};
 use net_traits::image_cache_thread::{UsePlaceholder};
 use parallel;
diff --git a/components/layout/webrender_helpers.rs b/components/layout/webrender_helpers.rs
index a66d3821cf2..a06fc045500 100644
--- a/components/layout/webrender_helpers.rs
+++ b/components/layout/webrender_helpers.rs
@@ -15,7 +15,7 @@ use gfx::display_list::{BorderRadii, BoxShadowClipMode, ClippingRegion};
 use gfx::display_list::{DisplayItem, DisplayList};
 use gfx::display_list::{DisplayListTraversal, GradientStop, StackingContext, StackingContextType};
 use gfx_traits::ScrollPolicy;
-use msg::constellation_msg::ConvertPipelineIdToWebRender;
+use layout_traits::ConvertPipelineIdToWebRender;
 use style::computed_values::filter::{self, Filter};
 use style::computed_values::{image_rendering, mix_blend_mode};
 use style::values::computed::BorderStyle;
diff --git a/components/layout_traits/lib.rs b/components/layout_traits/lib.rs
index 61f9618f421..efc24f33fc3 100644
--- a/components/layout_traits/lib.rs
+++ b/components/layout_traits/lib.rs
@@ -26,7 +26,7 @@ extern crate webrender_traits;
 use gfx::font_cache_thread::FontCacheThread;
 use gfx::paint_thread::LayoutToPaintMsg;
 use ipc_channel::ipc::{IpcReceiver, IpcSender};
-use msg::constellation_msg::{ConstellationChan, PanicMsg, PipelineId};
+use msg::constellation_msg::{ConstellationChan, PanicMsg, PipelineId, PipelineNamespaceId, PipelineIndex};
 use net_traits::image_cache_thread::ImageCacheThread;
 use profile_traits::{mem, time};
 use script_traits::LayoutMsg as ConstellationMsg;
@@ -60,3 +60,15 @@ pub trait LayoutThreadFactory {
               content_process_shutdown_chan: IpcSender<()>,
               webrender_api_sender: Option<webrender_traits::RenderApiSender>);
 }
+
+pub trait ConvertPipelineIdToWebRender {
+    fn to_webrender(&self) -> webrender_traits::PipelineId;
+}
+
+impl ConvertPipelineIdToWebRender for PipelineId {
+    fn to_webrender(&self) -> webrender_traits::PipelineId {
+        let PipelineNamespaceId(namespace_id) = self.namespace_id;
+        let PipelineIndex(index) = self.index;
+        webrender_traits::PipelineId(namespace_id, index)
+    }
+}
diff --git a/components/msg/constellation_msg.rs b/components/msg/constellation_msg.rs
index 08d7a5439b3..2a0cad52485 100644
--- a/components/msg/constellation_msg.rs
+++ b/components/msg/constellation_msg.rs
@@ -359,22 +359,10 @@ impl fmt::Display for PipelineId {
 #[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
 pub struct SubpageId(pub u32);
 
-pub trait ConvertPipelineIdToWebRender {
-    fn to_webrender(&self) -> webrender_traits::PipelineId;
-}
-
 pub trait ConvertPipelineIdFromWebRender {
     fn from_webrender(&self) -> PipelineId;
 }
 
-impl ConvertPipelineIdToWebRender for PipelineId {
-    fn to_webrender(&self) -> webrender_traits::PipelineId {
-        let PipelineNamespaceId(namespace_id) = self.namespace_id;
-        let PipelineIndex(index) = self.index;
-        webrender_traits::PipelineId(namespace_id, index)
-    }
-}
-
 impl ConvertPipelineIdFromWebRender for webrender_traits::PipelineId {
     fn from_webrender(&self) -> PipelineId {
         PipelineId {