Fork cc::OutputSurface into cc::CompositorFrameSink.

cc/test/fake_output_surface.h

Index: cc/test/fake_output_surface.h
diff --git a/cc/test/fake_output_surface.h b/cc/test/fake_output_surface.h
index 775724386b913927b85b73663a5bddc68a9f40b1..1dbe036f4402fcd688d0b914bc55994fe58f8698 100644
--- a/cc/test/fake_output_surface.h
+++ b/cc/test/fake_output_surface.h
@@ -61,30 +61,6 @@ class FakeOutputSurface : public OutputSurface {
         nullptr, nullptr, std::move(software_device), false));
   }
 
-  static std::unique_ptr<FakeOutputSurface> CreateDelegating3d() {
-    return base::WrapUnique(
-        new FakeOutputSurface(TestContextProvider::Create(),
-                              TestContextProvider::CreateWorker(), true));
-  }
-
-  static std::unique_ptr<FakeOutputSurface> CreateDelegating3d(
-      scoped_refptr<TestContextProvider> context_provider) {
-    return base::WrapUnique(new FakeOutputSurface(
-        context_provider, TestContextProvider::CreateWorker(), true));
-  }
-
-  static std::unique_ptr<FakeOutputSurface> CreateDelegating3d(
-      std::unique_ptr<TestWebGraphicsContext3D> context) {
-    return base::WrapUnique(
-        new FakeOutputSurface(TestContextProvider::Create(std::move(context)),
-                              TestContextProvider::CreateWorker(), true));
-  }
-
-  static std::unique_ptr<FakeOutputSurface> CreateDelegatingSoftware() {
-    return base::WrapUnique(
-        new FakeOutputSurface(nullptr, nullptr, nullptr, true));
-  }
-
   static std::unique_ptr<FakeOutputSurface> CreateNoRequireSyncPoint(
       std::unique_ptr<TestWebGraphicsContext3D> context) {
     std::unique_ptr<FakeOutputSurface> surface(Create3d(std::move(context)));