Schedule bitmap animation timers on the compositor task runner.

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

Index: third_party/WebKit/Source/platform/graphics/BitmapImageTest.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/BitmapImageTest.cpp b/third_party/WebKit/Source/platform/graphics/BitmapImageTest.cpp
index 493d5d77616cb58efb3800e06ed5c6ab6e676190..ce94c7f67980b6d2787948107722009333fe2fa8 100644
--- a/third_party/WebKit/Source/platform/graphics/BitmapImageTest.cpp
+++ b/third_party/WebKit/Source/platform/graphics/BitmapImageTest.cpp
@@ -34,6 +34,7 @@
 #include "platform/graphics/BitmapImageMetrics.h"
 #include "platform/graphics/DeferredImageDecoder.h"
 #include "platform/graphics/ImageObserver.h"
+#include "platform/scheduler/test/fake_web_task_runner.h"
 #include "platform/testing/HistogramTester.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "platform/wtf/StdLibExtras.h"
@@ -134,11 +135,13 @@ class BitmapImageTest : public ::testing::Test {
  protected:
   void SetUp() override {
     image_observer_ = new FakeImageObserver;
-    image_ = BitmapImage::Create(image_observer_.Get());
+    image_ = BitmapImage::Create(task_runner_, image_observer_.Get());
+    task_runner_ = AdoptRef(new scheduler::FakeWebTaskRunner);
   }
 
   Persistent<FakeImageObserver> image_observer_;
   RefPtr<BitmapImage> image_;
+  RefPtr<scheduler::FakeWebTaskRunner> task_runner_;
 };
 
 TEST_F(BitmapImageTest, destroyDecodedData) {
@@ -179,7 +182,8 @@ TEST_F(BitmapImageTest, isAllDataReceived) {
       ReadFile("/LayoutTests/images/resources/green.jpg");
   ASSERT_TRUE(image_data.Get());
 
-  RefPtr<BitmapImage> image = BitmapImage::Create();
+  RefPtr<BitmapImage> image =
+      BitmapImage::Create(BitmapImageTest::task_runner_);
   EXPECT_FALSE(image->IsAllDataReceived());
 
   image->SetData(image_data, false);