Expose RunsTasksOnCurrentThread through WebTaskRunner

third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 137 matching lines @@
     response.setHTTPStatusCode(200);
     response.setMimeType(mimeType);
     imageResource->responseReceived(response, nullptr);
     imageResource->appendData(reinterpret_cast<const char*>(data.data()), data.size());
     imageResource->finish();
 }
 
 class MockTaskRunner : public blink::WebTaskRunner {
     void postTask(const WebTraceLocation&, Task*) override { }
     void postDelayedTask(const WebTraceLocation&, Task*, double) override { }
+    bool runsTasksOnCurrentThread() override { return false; }
     WebTaskRunner* clone() override { return nullptr; }
     double virtualTimeSeconds() const override { return 0.0; }
     double monotonicallyIncreasingVirtualTimeSeconds() const override { return 0.0; }
 };
 
 }
 
 class ImageResourceTestMockFetchContext : public FetchContext {
 public:
     static ImageResourceTestMockFetchContext* create()
@@ skipping 400 matching lines @@
     ASSERT_TRUE(imageResource->hasImage());
     EXPECT_FALSE(imageResource->getImage()->isNull());
     EXPECT_EQ(2, client->imageChangedCount());
     EXPECT_TRUE(client->notifyFinishedCalled());
     EXPECT_FALSE(imageResource->getImage()->isBitmapImage());
     EXPECT_EQ(300, imageResource->getImage()->width());
     EXPECT_EQ(300, imageResource->getImage()->height());
 }
 
 } // namespace blink