Auto merge of #14286 - gterzian:update_canvas_with_offscreen_context, r=jdm

Update to webrender 0.10.0

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Changes necessary to build servor with webrender 0.10.0

---
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- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

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- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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components/net/Cargo.toml

@@ -46,7 +46,7 @@ websocket = "0.17"
 [dependencies.webrender_traits]
 git = "https://github.com/servo/webrender"
 default_features = false
-features = ["serde_derive"]
+features = ["serde_derive", "ipc"]
 
 [target.'cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))'.dependencies]
 tinyfiledialogs = {git = "https://github.com/jdm/tinyfiledialogs"}

components/net/image_cache_thread.rs

@@ -323,11 +323,12 @@ fn get_placeholder_image(webrender_api: &webrender_traits::RenderApi) -> io::Res
     let format = convert_format(image.format);
     let mut bytes = Vec::new();
     bytes.extend_from_slice(&*image.bytes);
+    let data = webrender_traits::ImageData::new(bytes);
     image.id = Some(webrender_api.add_image(image.width,
                                             image.height,
                                             None,
                                             format,
-                                            bytes));
+                                            data));
     Ok(Arc::new(image))
 }
 
@@ -482,11 +483,12 @@ impl ImageCache {
                 let format = convert_format(image.format);
                 let mut bytes = Vec::new();
                 bytes.extend_from_slice(&*image.bytes);
+                let data = webrender_traits::ImageData::new(bytes);
                 image.id = Some(self.webrender_api.add_image(image.width,
                                                              image.height,
                                                              None,
                                                              format,
-                                                             bytes));
+                                                             data));
             }
             LoadResult::PlaceholderLoaded(..) | LoadResult::None => {}
         }