[WIP] off-main-thread loading

third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h

Index: third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
diff --git a/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h b/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
index 79292d7670c19d30b8ede7ca4a70ee7e82262e2a..827d9298a9f1290c7916e812afb442d541df5d63 100644
--- a/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
+++ b/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
@@ -5,13 +5,14 @@
 #ifndef MockFetchContext_h
 #define MockFetchContext_h
 
+#include <memory>
 #include "platform/loader/fetch/FetchContext.h"
 #include "platform/loader/fetch/FetchRequest.h"
 #include "platform/loader/fetch/ResourceTimingInfo.h"
 #include "platform/scheduler/test/fake_web_task_runner.h"
 #include "platform/wtf/PtrUtil.h"
-
-#include <memory>
+#include "public/platform/Platform.h"
+#include "wtf/PtrUtil.h"
 
 namespace blink {
 
@@ -63,6 +64,9 @@ class MockFetchContext : public FetchContext {
       const ResourceTimingInfo& resourceTimingInfo) override {
     m_transferSize = resourceTimingInfo.transferSize();
   }
+  WebURLLoader* createURLLoader() override {
+    return Platform::current()->createURLLoader();
+  }
 
  private:
   MockFetchContext(LoadPolicy loadPolicy, RefPtr<WebTaskRunner> taskRunner)