Schedule bitmap animation timers on the compositor task runner.

third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp

Index: third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp
diff --git a/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp b/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp
index 34733c5f3e65f6f948ddd21b80ecb68ad276c05b..71758fae61b8a5efc517dc5ae402bc759548e53b 100644
--- a/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp
+++ b/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp
@@ -68,18 +68,23 @@ class NullImageResourceInfo final
 
 }  // namespace
 
-ImageResourceContent::ImageResourceContent(PassRefPtr<blink::Image> image)
-    : image_(std::move(image)), is_refetchable_data_from_disk_cache_(true) {
+ImageResourceContent::ImageResourceContent(RefPtr<WebTaskRunner> task_runner,
+                                           PassRefPtr<blink::Image> image)
+    : image_(std::move(image)),
+      is_refetchable_data_from_disk_cache_(true),
+      task_runner_(task_runner) {
   DEFINE_STATIC_LOCAL(NullImageResourceInfo, null_info,
                       (new NullImageResourceInfo()));
   info_ = &null_info;
 }
 
-ImageResourceContent* ImageResourceContent::Fetch(FetchParameters& params,
-                                                  ResourceFetcher* fetcher) {
+ImageResourceContent* ImageResourceContent::Fetch(
+    RefPtr<WebTaskRunner> task_runner,
+    FetchParameters& params,
+    ResourceFetcher* fetcher) {
   // TODO(hiroshige): Remove direct references to ImageResource by making
   // the dependencies around ImageResource and ImageResourceContent cleaner.
-  ImageResource* resource = ImageResource::Fetch(params, fetcher);
+  ImageResource* resource = ImageResource::Fetch(task_runner, params, fetcher);
   if (!resource)
     return nullptr;
   return resource->GetContent();
@@ -309,7 +314,7 @@ void ImageResourceContent::NotifyObservers(
 PassRefPtr<Image> ImageResourceContent::CreateImage() {
   if (info_->GetResponse().MimeType() == "image/svg+xml")
     return SVGImage::Create(this);
-  return BitmapImage::Create(this);
+  return BitmapImage::Create(task_runner_, this);
 }
 
 void ImageResourceContent::ClearImage() {