[WIP2] 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 1e92508dad413ec2426d7e184c7913ef25959fd7..8eb1699ed608a67ff3dd730c59a61d3fde466e31 100644
--- a/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
+++ b/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
@@ -5,13 +5,13 @@
 #ifndef MockFetchContext_h
 #define MockFetchContext_h
 
+#include <memory>
 #include "platform/loader/fetch/FetchContext.h"
 #include "platform/loader/fetch/FetchParameters.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"
 
 namespace blink {
 
@@ -73,6 +73,9 @@ class MockFetchContext : public FetchContext {
       const ResourceTimingInfo& resource_timing_info) override {
     transfer_size_ = resource_timing_info.TransferSize();
   }
+  std::unique_ptr<WebURLLoader> CreateURLLoader() override {
+    return Platform::Current()->CreateURLLoader();
+  }
 
  private:
   MockFetchContext(LoadPolicy load_policy, RefPtr<WebTaskRunner> task_runner)