[cc] Change cc_tests.gyp filenames to Chromium style

cc/test/FakeCCGraphicsContext.h

Index: cc/test/FakeCCGraphicsContext.h
diff --git a/cc/test/FakeCCGraphicsContext.h b/cc/test/FakeCCGraphicsContext.h
index a592bf0462722ba0a51694c5f2c110b5955a2241..dbf162708cf8f8eec2be9d42f98aeb34547fb386 100644
--- a/cc/test/FakeCCGraphicsContext.h
+++ b/cc/test/FakeCCGraphicsContext.h
@@ -2,21 +2,5 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef FakeCCGraphicsContext_h
-#define FakeCCGraphicsContext_h
-
-#include "CCGraphicsContext.h"
-#include "CompositorFakeWebGraphicsContext3D.h"
-#include "FakeWebCompositorOutputSurface.h"
-#include <public/WebCompositorOutputSurface.h>
-
-namespace WebKit {
-
-static inline scoped_ptr<cc::CCGraphicsContext> createFakeCCGraphicsContext()
-{
-    return FakeWebCompositorOutputSurface::create(CompositorFakeWebGraphicsContext3D::create(WebGraphicsContext3D::Attributes())).PassAs<cc::CCGraphicsContext>();
-}
-
-} // namespace WebKit
-
-#endif // FakeCCGraphicsContext_h
+// Temporary forwarding header
+#include "cc/test/fake_graphics_context.h"