Schedule bitmap animation timers on the compositor task runner.

third_party/WebKit/Source/platform/graphics/Image.cpp

Index: third_party/WebKit/Source/platform/graphics/Image.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/Image.cpp b/third_party/WebKit/Source/platform/graphics/Image.cpp
index 232adc4285742d71c42c496e9e7a48d488ed4fdc..bb6b7ca7ced55ec6d5547fbcb473086d0f9979db 100644
--- a/third_party/WebKit/Source/platform/graphics/Image.cpp
+++ b/third_party/WebKit/Source/platform/graphics/Image.cpp
@@ -58,7 +58,7 @@ Image::~Image() {}
 
 Image* Image::NullImage() {
   DCHECK(IsMainThread());
-  DEFINE_STATIC_REF(Image, null_image, (BitmapImage::Create()));
+  DEFINE_STATIC_REF(Image, null_image, (BitmapImage::CreateGlobal()));
   return null_image;
 }
 
@@ -67,7 +67,7 @@ PassRefPtr<Image> Image::LoadPlatformResource(const char* name) {
   if (resource.IsEmpty())
     return Image::NullImage();
 
-  RefPtr<Image> image = BitmapImage::Create();
+  RefPtr<Image> image = BitmapImage::CreateGlobal();
   image->SetData(resource, true);
   return image.Release();
 }