cc: Pass LayerTreeHostImpl to LayerImpl constructor

cc/test/fake_impl_proxy.h

+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_TEST_FAKE_IMPL_PROXY_H_
+#define CC_TEST_FAKE_IMPL_PROXY_H_
+
+#include "cc/single_thread_proxy.h"
+#include "cc/test/fake_proxy.h"
+
+namespace cc {

[jamesr, 2012/12/07 07:28:40]

can you put this in namespace cc::test ?

[enne (OOO), 2012/12/07 08:16:37]

It doesn't look like anything else is in the cc::test namespace.  There's a mix
of cc, WebKit, and WebKitTests (seriously).   I'd prefer to punt and clean up
cc/test namespaces in a separate patch.

+
+class FakeImplProxy : public FakeProxy {
+ public:
+   FakeImplProxy()
+       : FakeProxy(scoped_ptr<Thread>()),
+          set_impl_thread_(this)
+   {
+   }
+
+ private:
+  DebugScopedSetImplThread set_impl_thread_;
+};
+
+}  // namespace cc
+
+#endif  // CC_TEST_FAKE_IMPL_PROXY_H_